API Results
 
API Growth (2008-2009)

682 (2009 Growth)
671 (2008 Base)

  • The Academic Performance Index (API) system is based on year-over-year test score performance through a two-year cycle. The Base score is for the first year and the Growth score is for the second year.
  • Comparing the API Growth to the Base shows whether or not this school's test score performance improved between spring 2008 and spring 2009 (as reported in September 2009).
  • The API ranges between 200 and 1000, with 800 as the statewide goal for all schools.
 
API Growth Target (2008-2009)

-50-25 0255075100
  11 (2009 Growth result)
  6 (2009 Growth target)
 

  This School High Schools That Met Targets Statewide
Met its 2009 schoolwide growth target Yes 66%
Met all subgroup growth targets Yes 37%
  • Each school is assigned an API Growth target by the state, determined by calculating 5% of the difference between the Base API and 800, or a minimum of 5 point growth. Schools with APIs at or above 800 must maintain a minimum API of 800.
  • To encourage schools to improve achievement for all students, the state computes APIs and sets improvement targets for the different student subgroups at the school.
  • The state reports APIs for schools that test a minimum of 85% of eligible students in any subject.

 
2009 API Growth By Subgroup

682
 665
 719
 661
  All
Students		 Hispanic White Socio-
econ. Dis-
advant.
  • The results shown here reflect the school's Growth API for the 2008-2009 school year for all students and for each of the major subgroups of students as reported by the state.
  • The 2009 API Growth is calculated using test score results from spring 2009.

2008 API Statewide Rank


  • The API Statewide Rank ranges from 1 to 10. A rank of 10, for example, means that the school's API fell into the top 10% of all schools in the state with a comparable grade range.
  • The 2008 Statewide Rank is based on the results of tests that students took in spring 2008.

2008 API Similar Schools Rank

  • To create the Similar Schools Rank, the California Department of Education compares this school's test scores to 100 schools across the state with similar demographic profiles.
  • California uses parent education level, poverty level, student mobility, student ethnicity and other data to identify similar schools.

Testing in California: An Overview

Compare with API results from nearby schools

2008-2009 API subgroup results  

Back to top >
  CST Results
 
Scale: % at or above proficient

Grade 9

Algebra II
Data not available for this school (2009)
Data not available for this school (2008)
Data not available for this school (2007)
Data not available for this school (2006)
The state average for Algebra II was 65% in 2009.

General Mathematics (Grades 6 & 7 Standards)
 11% (2009)
 3% (2008)
 8% (2007)
 8% (2006)
The state average for General Mathematics (Grades 6 & 7 Standards) was 17% in 2009.

Biology/Life Sciences
 51% (2009)
 41% (2008)
 37% (2007)
 48% (2006)
The state average for Biology/Life Sciences was 51% in 2009.

English Language Arts
 41% (2009)
 40% (2008)
 39% (2007)
 35% (2006)
The state average for English Language Arts was 50% in 2009.

Earth Science
Data not available for this school (2009)
Data not available for this school (2008)
Data not available for this school (2007)
Data not available for this school (2006)
The state average for Earth Science was 29% in 2009.

World History
Data not available for this school (2009)
Data not available for this school (2008)
Data not available for this school (2007)
The state average for World History was 41% in 2009.

Integrated/Coordinated Science 1
Data not available for this school (2009)
Data not available for this school (2008)
Data not available for this school (2007)
The state average for Integrated/Coordinated Science 1 was 15% in 2009.

Algebra I
 13% (2009)
 9% (2008)
 5% (2007)
 12% (2006)
The state average for Algebra I was 21% in 2009.

Geometry
 44% (2009)
 29% (2008)
 13% (2007)
 32% (2006)
The state average for Geometry was 47% in 2009.

Source: CA Dept. of Education, 2008-2009

Grade 10

Algebra II
 17% (2009)
 28% (2008)
 17% (2007)
 23% (2006)
The state average for Algebra II was 37% in 2009.

High School (Summative) Mathematics (Grade 9-11)
Data not available for this school (2009)
Data not available for this school (2008)
Data not available for this school (2007)
The state average for High School (Summative) Mathematics (Grade 9-11) was 71% in 2009.

Science
 40% (2009)
 30% (2008)
 28% (2007)
 31% (2006)
The state average for Science was 44% in 2009.

Biology/Life Sciences
 52% (2009)
 21% (2008)
Data not available for this school (2007)
 19% (2006)
The state average for Biology/Life Sciences was 35% in 2009.

English Language Arts
 30% (2009)
 29% (2008)
 31% (2007)
 28% (2006)
The state average for English Language Arts was 44% in 2009.

Chemistry
 65% (2009)
 69% (2008)
 35% (2007)
 27% (2006)
The state average for Chemistry was 44% in 2009.

Earth Science
Data not available for this school (2009)
Data not available for this school (2008)
Data not available for this school (2007)
Data not available for this school (2006)
The state average for Earth Science was 23% in 2009.

World History
 32% (2009)
 28% (2008)
 23% (2007)
The state average for World History was 38% in 2009.

Algebra I
 4% (2009)
 4% (2008)
 7% (2007)
 5% (2006)
The state average for Algebra I was 11% in 2009.

Geometry
 7% (2009)
 0% (2008)
 4% (2007)
 6% (2006)
The state average for Geometry was 14% in 2009.

Source: CA Dept. of Education, 2008-2009

Grade 11

Algebra II
 0% (2009)
 3% (2008)
 9% (2007)
 2% (2006)
The state average for Algebra II was 12% in 2009.

High School (Summative) Mathematics (Grade 9-11)
 22% (2009)
 43% (2008)
 13% (2007)
The state average for High School (Summative) Mathematics (Grade 9-11) was 47% in 2009.

Biology/Life Sciences
Data not available for this school (2009)
 39% (2008)
 32% (2007)
Data not available for this school (2006)
The state average for Biology/Life Sciences was 41% in 2009.

U.S. History
 46% (2009)
 27% (2008)
 23% (2007)
The state average for U.S. History was 44% in 2009.

English Language Arts
 31% (2009)
 30% (2008)
 30% (2007)
 27% (2006)
The state average for English Language Arts was 40% in 2009.

Physics
Data not available for this school (2009)
Data not available for this school (2008)
Data not available for this school (2007)
Data not available for this school (2006)
The state average for Physics was 50% in 2009.

Chemistry
 37% (2009)
 38% (2008)
 23% (2007)
 27% (2006)
The state average for Chemistry was 27% in 2009.

Earth Science
Data not available for this school (2009)
Data not available for this school (2008)
Data not available for this school (2007)
Data not available for this school (2006)
The state average for Earth Science was 26% in 2009.

World History
Data not available for this school (2009)
Data not available for this school (2008)
Data not available for this school (2007)
The state average for World History was 11% in 2009.

Algebra I
Data not available for this school (2009)
 6% (2008)
 2% (2007)
 0% (2006)
The state average for Algebra I was 8% in 2009.

Geometry
 6% (2009)
 5% (2008)
 5% (2007)
 4% (2006)
The state average for Geometry was 7% in 2009.

Source: CA Dept. of Education, 2008-2009

About the tests

  • In 2008-2009 California used the California Standards Tests (CSTs) to test students in English language arts in grades 2 through 11; math in grades 2 through 7; science in grades 5, 8 and 10; and history-social science in grades 8 and 11. Middle and high school students also took subject-specific CSTs in math and science, depending on the course in which they were enrolled.
  • The CSTs are standards-based tests, which means they measure how well students are mastering specific skills defined for each grade by the state of California.
  • The goal is for all students to score at or above proficient on the tests.

Testing in California: An Overview

Compare with test results from nearby schools

The California Reading List: Helpful information to support your child's reading

 

Back to top >
  CST Results By Subgroup
 
The test results by subgroup show how the designated group of students is performing in comparison to the general population.

Scale: % at or above proficient

Grade 9
Algebra IIThis School
Subgroup results not available

General Mathematics (Grades 6 & 7 Standards)This School
All Students11%
Females13%
Males8%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latinon/a
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)13%
Economically disadvantaged14%
Non-economically disadvantaged6%
Students with disability0%
Students with no reported disability20%
Fluent-English proficient and English only12%
Parent education - high school graduate23%
Parent education - declined to state5%

Biology/Life SciencesThis School
All Students51%
Females40%
Males65%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latino45%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)58%
Economically disadvantaged37%
Non-economically disadvantaged60%
Students with no reported disability52%
Fluent-English proficient and English only51%
Gifted and talented100%
Parent education - high school graduate45%
Parent education - some college (includes AA degree)53%
Parent education - declined to state51%

English Language ArtsThis School
All Students41%
Females47%
Males36%
African American17%
Asiann/a
Filipinon/a
Hispanic or Latino31%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)55%
Economically disadvantaged32%
Non-economically disadvantaged50%
Students with disability8%
Students with no reported disability45%
English learner0%
Fluent-English proficient and English only43%
Gifted and talented100%
Parent education - not a high school graduate9%
Parent education - high school graduate41%
Parent education - some college (includes AA degree)61%
Parent education - college graduate62%
Parent education - declined to state34%

Earth ScienceThis School
Subgroup results not available

World HistoryThis School
Subgroup results not available

Integrated/Coordinated Science 1This School
Subgroup results not available

Algebra IThis School
All Students13%
Females14%
Males12%
African American7%
Asiann/a
Filipinon/a
Hispanic or Latino14%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)14%
Economically disadvantaged14%
Non-economically disadvantaged13%
Students with no reported disability12%
Fluent-English proficient and English only14%
Parent education - not a high school graduate6%
Parent education - high school graduate9%
Parent education - some college (includes AA degree)19%
Parent education - declined to state14%

GeometryThis School
All Students44%
Females43%
Males46%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latino43%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)37%
Economically disadvantaged41%
Non-economically disadvantaged46%
Students with no reported disability45%
Fluent-English proficient and English only44%
Gifted and talented73%
Parent education - some college (includes AA degree)33%
Parent education - declined to state44%
Source: CA Dept. of Education, 2008-2009

Grade 10
Algebra IIThis School
All Students17%
Females14%
Males22%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latino13%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)28%
Economically disadvantaged17%
Non-economically disadvantaged18%
Students with no reported disability17%
Fluent-English proficient and English only17%
Gifted and talented42%
Parent education - declined to state22%

High School (Summative) Mathematics (Grade 9-11)This School
Subgroup results not available

ScienceThis School
All Students40%
Females38%
Males43%
African American14%
Asiann/a
Filipinon/a
Hispanic or Latino37%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)49%
Economically disadvantaged35%
Non-economically disadvantaged47%
Students with disability7%
Students with no reported disability43%
Fluent-English proficient and English only41%
Migrant education53%
Gifted and talented93%
Parent education - not a high school graduate15%
Parent education - high school graduate48%
Parent education - some college (includes AA degree)41%
Parent education - college graduate45%
Parent education - declined to state39%

Biology/Life SciencesThis School
All Students52%
Females50%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latinon/a
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)46%
Non-economically disadvantaged50%
Students with no reported disability52%
Fluent-English proficient and English only52%

English Language ArtsThis School
All Students30%
Females34%
Males26%
African American5%
Asiann/a
Filipinon/a
Hispanic or Latino30%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)36%
Economically disadvantaged27%
Non-economically disadvantaged33%
Students with disability6%
Students with no reported disability31%
Fluent-English proficient and English only31%
Migrant education47%
Gifted and talented87%
Parent education - not a high school graduate10%
Parent education - high school graduate30%
Parent education - some college (includes AA degree)27%
Parent education - college graduate36%
Parent education - declined to state33%

ChemistryThis School
All Students65%
Females55%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latinon/a
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)n/a
Economically disadvantaged64%
Students with no reported disability65%
Fluent-English proficient and English only65%

Earth ScienceThis School
Subgroup results not available

World HistoryThis School
All Students32%
Females24%
Males40%
African American9%
Asiann/a
Filipinon/a
Hispanic or Latino32%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)36%
Economically disadvantaged28%
Non-economically disadvantaged36%
Students with disability6%
Students with no reported disability34%
Fluent-English proficient and English only33%
Migrant education27%
Gifted and talented80%
Parent education - not a high school graduate14%
Parent education - high school graduate37%
Parent education - some college (includes AA degree)22%
Parent education - college graduate55%
Parent education - declined to state32%

Algebra IThis School
All Students4%
Females0%
Males7%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latino10%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)0%
Economically disadvantaged3%
Non-economically disadvantaged5%
Students with no reported disability4%
Fluent-English proficient and English only4%
Parent education - high school graduate0%
Parent education - some college (includes AA degree)0%
Parent education - declined to state10%

GeometryThis School
All Students7%
Females5%
Males8%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latino4%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)9%
Economically disadvantaged7%
Non-economically disadvantaged6%
Students with no reported disability7%
Fluent-English proficient and English only6%
Parent education - not a high school graduate8%
Parent education - high school graduate4%
Parent education - some college (includes AA degree)7%
Parent education - declined to state7%
Source: CA Dept. of Education, 2008-2009

Grade 11
Algebra IIThis School
All Students0%
Females0%
Males0%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latino0%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)0%
Economically disadvantaged0%
Non-economically disadvantaged0%
Students with no reported disability0%
Fluent-English proficient and English only0%
Parent education - declined to state0%

High School (Summative) Mathematics (Grade 9-11)This School
All Students22%
Females17%
Males28%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latino14%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)33%
Economically disadvantaged21%
Non-economically disadvantaged23%
Students with no reported disability22%
Fluent-English proficient and English only22%
Parent education - declined to state23%

Biology/Life SciencesThis School
Subgroup results not available

U.S. HistoryThis School
All Students46%
Females50%
Males44%
African American45%
Asiann/a
Filipinon/a
Hispanic or Latino40%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)55%
Economically disadvantaged43%
Non-economically disadvantaged51%
Students with disability8%
Students with no reported disability50%
Fluent-English proficient and English only47%
Parent education - high school graduate39%
Parent education - some college (includes AA degree)33%
Parent education - declined to state50%

English Language ArtsThis School
All Students31%
Females44%
Males21%
African American17%
Asiann/a
Filipinon/a
Hispanic or Latino33%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)35%
Economically disadvantaged33%
Non-economically disadvantaged31%
Students with disability6%
Students with no reported disability34%
Fluent-English proficient and English only32%
Parent education - high school graduate18%
Parent education - some college (includes AA degree)23%
Parent education - declined to state35%

PhysicsThis School
Subgroup results not available

ChemistryThis School
All Students37%
Females37%
Males37%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latino30%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)48%
Economically disadvantaged39%
Non-economically disadvantaged35%
Students with no reported disability38%
Fluent-English proficient and English only37%
Parent education - declined to state45%

Earth ScienceThis School
Subgroup results not available

World HistoryThis School
Subgroup results not available

Algebra IThis School
Subgroup results not available

GeometryThis School
All Students6%
Females11%
Males3%
African Americann/a
Asiann/a
Filipinon/a
Hispanic or Latino13%
American Indian or Alaska Nativen/a
Native Hawaiiann/a
Pacific Islandern/a
Guamaniann/a
Samoann/a
Tahitiann/a
Other Pacific Islandern/a
White (not Hispanic)0%
Economically disadvantaged4%
Non-economically disadvantaged8%
Students with no reported disability7%
Fluent-English proficient and English only6%
Parent education - declined to state0%
Source: CA Dept. of Education, 2008-2009

About the tests

  • In 2008-2009 California used the California Standards Tests (CSTs) to test students in English language arts in grades 2 through 11; math in grades 2 through 7; science in grades 5, 8 and 10; and history-social science in grades 8 and 11. Middle and high school students also took subject-specific CSTs in math and science, depending on the course in which they were enrolled.
  • The CSTs are standards-based tests, which means they measure how well students are mastering specific skills defined for each grade by the state of California.
  • The different student groups are identified by the California Department of Education; if there are fewer than 10 students in a particular group in a school, the state doesn't report data for that group.
  • The goal is for all students to score at or above proficient on the tests.

Testing in California: An Overview  

Back to top >
  CAHSEE Results
 
Scale: % passing

Grade 10

English Language Arts
 78% (2009)
 78% (2008)
 68% (2007)
 81% (2006)
The state average for English Language Arts was 79% in 2009.

Math
 76% (2009)
 77% (2008)
 68% (2007)
 72% (2006)
The state average for Math was 80% in 2009.

Source: CA Dept. of Education, 2008-2009

About the Tests

  • In 2008-2009 California used the California High School Exit Exam (CAHSEE) to test high school students' skills in English language arts and mathematics.
  • The results for grade 10 students taking the test for the first time are displayed on GreatSchools profiles.
  • The CAHSEE is a standards-based test, which means it measures how well students are mastering specific skills defined by the state of California.
  • Students must pass all parts of the CAHSEE in order to graduate from high school. If they do not pass it the first time, students have multiple opportunities to retake the test.
  • The goal is for all students to pass both sections of the test.

Testing in California: An Overview

Compare with test results from nearby schools  

Back to top >
  CAHSEE Results By Subgroup
 
The test results by subgroup show how the designated group of students is performing in comparison to the general population.

Scale: % passing

Grade 10
English Language ArtsThis School
All Students78%
Females82%
Males74%
African American55%
Asiann/a
Filipinon/a
Hispanic or Latino77%
American Indian or Alaska Nativen/a
Pacific Islandern/a
White (not Hispanic)85%
Economically disadvantaged75%
Non-economically disadvantaged80%
Economic Status Unknown81%
Students with disability18%
Migrant education67%

MathThis School
All Students76%
Females75%
Males77%
African American59%
Asiann/a
Filipinon/a
Hispanic or Latino74%
American Indian or Alaska Nativen/a
Pacific Islandern/a
White (not Hispanic)82%
Economically disadvantaged74%
Non-economically disadvantaged81%
Economic Status Unknown75%
Students with disability18%
Migrant education72%
Source: CA Dept. of Education, 2008-2009

About the Tests

  • In 2008-2009 California used the California High School Exit Exam (CAHSEE) to test high school students' skills in English language arts and mathematics.
  • The results for grade 10 students taking the test for the first time are displayed on GreatSchools profiles.
  • The CAHSEE is a standards-based test, which means it measures how well students are mastering specific skills defined by the state of California.
  • The different student groups are identified by the California Department of Education; if there are fewer than 10 students in a particular group in a school, the state doesn't report data for that group.
  • Students must pass all parts of the CAHSEE in order to graduate from high school. If they do not pass it the first time, students have multiple opportunities to retake the test.
  • The goal is for all students to pass both sections of the test.

Testing in California: An Overview  

Back to top >
  ACT Results


Composite
 This School1State Average1National Average2
2006 - 2007 n/a2121
2005 - 2006 n/a2121
2004 - 2005 n/a2121
1Source: CA Dept. of Education
2Source: ACT


Participation Rate
 This School
2006 - 2007n/a
2005 - 2006n/a
2004 - 2005n/a
Source: CA Dept. of Education

About the Tests

  • The ACT is a national college admission and placement examination.
  • ACT scores range from a low of 1 to a high of 36. The Composite score is an average of the English, math, reading and science scores.
  • Results displayed for each year include the scores for students in grades 11 and 12.

More about the tests  

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How challenging is Rosamond High School?

 

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Rosamond High School
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