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SCHOOL COMMUNITY·SIMI VALLEY UNIFIED·NCES 063684006815

Santa Susana High

3570 East Cochran St., Simi Valley, CA 93063 · (805) 520-6800 · Ventura County
GRADES 09–12HIGH22-SUBURBREGULAR SCHOOL1,033 STUDENTS
A
allk12 Grade
Scored higher than 89% of California public high schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • AThree-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public high schools

Enrollment
1,033
High
DISTRICT 1,217 · STATE 838
Student : Teacher
20.4:1
51 FTE teachers
DISTRICT 18.5:1 · STATE 18.2:1
Free / Reduced Lunch
30%
315 students
DISTRICT 50% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 924424%
Grade 1023823%
Grade 1124624%
Grade 1230530%
Student demographics
70%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 63% · STATE 62% · US 70%
White
37937%
DISTRICT 39% · STATE 20% · US 43%
Hispanic
33933%
DISTRICT 45% · STATE 56% · US 30%
Black
141%
DISTRICT 2% · STATE 5% · US 15%
Asian
23423%
DISTRICT 10% · STATE 12% · US 6%
Two+
535%
DISTRICT 4% · STATE 6% · US 5%
Native American
20%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
20%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
44043%
Female
58356%

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
80.8%
CA avg 49.1% . -5.2pp since 2014
Math
58.4%
CA avg 37.7% . +3.4pp since 2014

What this means: On the CAASPP, California's statewide test, about 81 of every 100 students at this school read and write at grade level and about 58 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 5 points since 2014, while math scores are up about 3 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts52.1%28.6%13.3%6.0%
Math28.3%30.0%15.0%26.6%
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.

CAASPP results by year

School yearEnglish Language ArtsMath
2024-2580.8%58.4%
2023-2479.6%39.1%
2022-2378.0%49.0%
2021-2279.5%37.3%
2020-2167.1%46.2%
2018-1987.8%53.0%
2017-1883.9%50.0%
2016-1782.9%58.3%
2015-1686.0%58.0%
2014-1586.0%55.0%
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
64.5%
composite math + reading, all grades
Predicted
61.7%
based on CA schools with similar FRL share
Beats by
+2.8pp
above demographic expectation

What this means: About 64% of students here test proficient in math and reading, compared with the roughly 62% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Santa Susana High

Santa Susana High's state test result (64.5% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Santa Susana High this school1,03330.5%64.5%
Branham High
San Jose
1,82031.4%66.4%
Hillsdale High
San Mateo
1,58525.2%54.0%
Pioneer High
San Jose
1,39330.8%58.9%
Davis Senior High
Davis
1,75531.1%74.1%
Ann Sobrato High
Morgan Hill
1,51130.3%53.5%
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Santa Susana High ranks

Among high schools
MeasureThis schoolIn CaliforniaIn Ventura County
State test proficiency
ranked highest first
64.5%#134 of 1,052#5 of 22
Math proficiency
ranked highest first
58.4%#102 of 1,056
▲ 163
#4 of 22
▲ 3
Reading proficiency
ranked highest first
80.8%#91 of 1,056
▲ 10
#5 of 22
▼ 1
3-year test score change
ranked biggest gain first
+11.2pp#107 of 1,044#1 of 22
Enrollment
ranked largest first
1,033#756 of 2,093#18 of 39
Students per teacher
ranked fewest first
20.4:1#599 of 1,352#7 of 28
Diversity index
ranked most diverse first
69.8%#125 of 1,351#1 of 28
Free and reduced lunch
ranked highest share first
30.5%#1,400 of 1,575#27 of 32
Enrollment change since 2017-18
ranked steepest decline first
-10.5%#442 of 802#15 of 23
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
1,033
+37 (+4%) vs 2020
+6% since 2000-01, when it was 974
Student : Teacher
20.4:1
was 22.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,03350.720.4:130% (315)
2023-241,00246.221.7:132% (320)
2022-231,07345.223.7:130% (324)
2020-219964522.1:122% (221)
2017-181,15449.523.3:124% (278)
2015-161,2714925.9:117% (218)
2010-111,242N/AN/A20% (243)
2000-019744024.4:110% (93)
Source: NCES Common Core of Data. Rows are the federal collections on file for Santa Susana High.

Since 2017-18: students down 10% (1,154 to 1,033); teachers up 2% (49.5 to 50.7).

About Santa Susana High

Families in Simi Valley, California, are served by Santa Susana High, a medium-sized high school. Classes run from 9 through 12, and the school has 1,033 students. The average for high schools in California is about 838 students, so this school is 23% bigger than average.

Santa Susana High sits within Simi Valley Unified, which has 27 schools and 15,418 students.

The most common group at Santa Susana High is White students, at 37%. Other groups make up 33% Hispanic, 23% Asian, and 5% multiracial. Ventura County as a whole is about 52% White, so the school's share is lower. The school's diversity index is 70%, meaning two students picked at random have a 70% chance of belonging to different racial or ethnic groups.

The school employs the equivalent of 50.7 full-time teachers, for a ratio of 20.4:1. That is higher than the 18.2:1 average for high schools in California. The free or reduced-price lunch share, often used to gauge student poverty, is 30%. Public schools in Ventura County average 59%.

Measured against California public high schools, Santa Susana High receives an A. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.

When test results are adjusted for free or reduced-price lunch eligibility, Santa Susana High is 2.8 points above its prediction. Actual: 64.5%. Predicted: 61.7%.

Among Ventura County residents, the median household income is $109,797, roughly 36% of adults have a four-year degree or more, and the share of residents below the poverty line is 7%. Santa Susana High is one of 238 public schools in the county.

Nearest public school: Garden Grove Elementary, about 0.3 miles away. Within five miles are at least 8 other public schools. The average proficiency across nearby scored schools is 44.9%; Santa Susana High's is 64.5%, ranking 2nd of 8.

In the federal locale system, Santa Susana High is coded Suburb: Mid-size, for schools in a suburban area outside a principal city, within an urbanized area with a population between 100,000 and 250,000.

2024-25 enrollment was 1,033, a 4% rise from 996 in 2020-21. Its ratio of students to teachers was 22.1:1 in 2020-21, and 20.4:1 in 2024-25.

Families, students, and staff can use this page to discuss school safety, transportation, and start times at Santa Susana High. Alumni can share how the school prepared them.

Ventura County at a glance

View full county profile
Population
837,469
Census ACS
Median income
$109,797
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
238
147,841 students

Quick facts

School name
Santa Susana High
District
Simi Valley Unified
Address
3570 East Cochran St., Simi Valley, CA 93063
Phone
(805) 520-6800
County
Ventura County
Level
High
Grade range
09–12
Total enrollment
1,033
Teachers (FTE)
51
Student–teacher ratio
20.4:1
Free and reduced lunch
315 (30%)
Locale
22-Suburb: Mid-size
NCES ID
063684006815
Charter school
No
Virtual school
No

Related schools

Other schools in Simi Valley Unified
Other schools in Simi Valley
Nearby schools

Frequently asked questions

About Santa Susana High
What is the total enrollment at Santa Susana High?
Santa Susana High enrolls approximately 1,033 students in grades 09-12.
What grades does Santa Susana High serve?
Santa Susana High serves grades 09-12.
How many students per teacher at Santa Susana High?
Approximately 20.4:1 students per teacher at Santa Susana High.
What is the student diversity at Santa Susana High?
Student demographics at Santa Susana High are roughly 37% White, 33% Hispanic, 1% Black, 23% Asian, 5% Two or more.
What district is Santa Susana High in?
Santa Susana High is part of Simi Valley Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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