Enrollment
300
Elementary
DISTRICT 362 · STATE 465
SCHOOL COMMUNITY·SIMI VALLEY UNIFIED·NCES 063684006258
Katherine Elementary
5455 Katherine St., Simi Valley, CA 93063 · (805) 520-6780 · Ventura County
GRADES KG–06ELEMENTARY22-SUBURBTITLE IREGULAR SCHOOL300 STUDENTS
Student : Teacher
23.1:1
13 FTE teachers
DISTRICT 21.4:1 · STATE 22.3:1
Free / Reduced Lunch
53%
158 students
DISTRICT 50% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 75 | 25% |
| Grade 1 | 46 | 15% |
| Grade 2 | 50 | 17% |
| Grade 3 | 33 | 11% |
| Grade 4 | 47 | 16% |
| Grade 5 | 49 | 16% |
This year's kindergarten class (75) is 53% larger than its 5th grade class (49).
Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 63% · STATE 62% · US 70%
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
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
49.6%
CA avg 49.1% . +9.6pp since 2014
Math
40.8%
CA avg 37.7% . +6.8pp since 2014
What this means: On the CAASPP, California's statewide test, about 50 of every 100 students at this school read and write at grade level and about 41 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are up about 10 points since 2014, while math scores are up about 7 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 27.9% | 21.7% | 19.4% | 31.0% |
| Math | 17.7% | 23.1% | 30.0% | 29.2% |
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 year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 49.6% | 40.8% |
| 2023-24 | 50.0% | 42.3% |
| 2022-23 | 51.8% | 40.2% |
| 2021-22 | 59.9% | 48.4% |
| 2020-21 | 50.0% | 35.5% |
| 2018-19 | 48.8% | 41.0% |
| 2017-18 | 47.8% | 32.4% |
| 2016-17 | 50.5% | 42.3% |
| 2015-16 | 52.0% | 37.0% |
| 2014-15 | 40.0% | 34.0% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
44.6%
composite math + reading, all grades
Predicted
48.7%
based on CA schools with similar FRL share
Beats by
-4.1pp
below demographic expectation
What this means: About 45% of students here test proficient in math and reading, compared with the roughly 49% 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 Katherine Elementary
Katherine Elementary's state test result (44.6% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Katherine Elementary this school | 300 | 52.7% | 44.6% |
| Madera Elementary Simi Valley | 264 | 54.9% | 48.7% |
| Whited Elementary Charter Santa Rosa | 327 | 56.3% | 38.0% |
| Green Acres Elementary Santa Cruz | 262 | 54.2% | 45.5% |
| Carl Hankey Elementary Mission Viejo | 284 | 57.0% | 63.1% |
| McKinley Elementary Petaluma | 368 | 50.8% | 41.6% |
Matched among California elementary 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 Katherine Elementary ranks
Among elementary schools| Measure | This school | In California | In Ventura County |
|---|---|---|---|
| State test proficiency ranked highest first | 44.6% | #2,101 of 5,151 | #51 of 121 |
| Math proficiency ranked highest first | 40.8% | #2,244 of 5,172 ▼ 229 | #52 of 122 ▼ 6 |
| Reading proficiency ranked highest first | 49.6% | #2,067 of 5,172 ▼ 163 | #48 of 122 ▼ 5 |
| 3-year test score change ranked biggest drop first | -9.0pp | #175 of 5,116 | #4 of 121 |
| Enrollment ranked largest first | 300 | #4,770 of 5,915 | #107 of 130 |
| Students per teacher ranked fewest first | 23.1:1 | #3,053 of 5,352 | #83 of 124 |
| Diversity index ranked most diverse first | 63.6% | #1,427 of 5,354 | #16 of 124 |
| Free and reduced lunch ranked highest share first | 52.7% | #3,801 of 5,625 | #78 of 127 |
| Enrollment change since 2017-18 ranked steepest decline first | -16.4% | #1,863 of 3,837 | #51 of 99 |
Ranked against other public elementary 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 2024-25Enrollment
300
-16 (-5%) vs 2020
-40% since 1990-91, when it was 497
Student : Teacher
23.1:1
was 22.6:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 300 | 13 | 23.1:1 | 53% (158) |
| 2023-24 | 314 | 12 | 26.2:1 | 52% (163) |
| 2022-23 | 351 | 13.1 | 26.9:1 | 50% (177) |
| 2020-21 | 316 | 14 | 22.6:1 | 31% (98) |
| 2017-18 | 359 | 13 | 27.6:1 | 36% (129) |
| 2015-16 | 364 | 14 | 26.0:1 | 32% (117) |
| 2010-11 | 436 | N/A | N/A | 30% (131) |
| 2000-01 | 615 | 28 | 22.0:1 | 17% (107) |
| 1990-91 | 497 | 17 | 29.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Katherine Elementary.
Since 2017-18: students down 16% (359 to 300); teachers unchanged (13 to 13).
About Katherine Elementary
Katherine Elementary is classified as an elementary school. It is located in Simi Valley, California. It educates 300 students in kindergarten through 6. The typical figure for elementary schools in California is about 465 students.
The district, Simi Valley Unified, operates 27 schools serving 15,418 students.
Katherine Elementary has no majority group; Hispanic students are the largest, at 46%. Other reported shares: 38% White, 8% Asian, and 7% multiracial. The Hispanic share in Ventura County as a whole is similar, at about 44%. The school's diversity index is 64%, meaning two students picked at random have a 64% chance of belonging to different racial or ethnic groups.
Katherine Elementary operates with 13 full-time-equivalent teachers, a ratio of about 23.1:1. On average, elementary schools in California have 22.3:1, compared with 23.1:1 here. Katherine Elementary reports 53% of students eligible for free or reduced-price meals.
Test results at Katherine Elementary are 4.1 points below what its free or reduced-price lunch share predicts (44.6% actual, 48.7% predicted).
Recent Census Bureau figures for Ventura County show that the median household income is $109,797, the share of adults with a bachelor's degree or higher is 36%, and roughly 7% of residents are in poverty. Besides Katherine Elementary, Ventura County has 237 other public schools.
Nearby, Simi Valley High is about 0.7 miles away. There are at least 8 more public schools inside five miles. Nearby schools average 41.0% on proficiency, and Katherine Elementary is above that at 44.6%.
The school's federal locale classification is Suburb: Mid-size.
Enrollment is down 5% from 2020-21, when Katherine Elementary had 316 students, to 2024-25, when it had 300.
The discussion area below is open to posts about sports schedules, lunch menus, and spirit week. Reviews and ratings from people who know the school are welcome.
Ventura County at a glance
View full county profilePopulation
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
Related schools
Other schools in Simi Valley Unified
- Simi Valley HighHigh · 1,910 students
- Royal HighHigh · 1,835 students
- Valley View MiddleMiddle · 1,329 students
- Hillside MiddleMiddle · 1,138 students
- Santa Susana HighHigh · 1,033 students
- Sinaloa MiddleMiddle · 843 students
Other schools in Simi Valley
- California Virtual Academy @ Los AngelesCombined · 5,705 students
- California Virtual Academy @ San DiegoCombined · 3,924 students
- California Virtual Academy @ San JoaquinCombined · 3,219 students
- Simi Valley HighHigh · 1,910 students
- Royal HighHigh · 1,835 students
- iQ Academy California-Los AngelesCombined · 1,721 students
Nearby schools
- Simi Valley High0.7 mi · 1,910
- Knolls Elementary1.0 mi · 212
- White Oak Elementary1.1 mi · 352
- Santa Susana Elementary1.7 mi · 312
- Garden Grove Elementary2.3 mi · 283
- Big Springs Elementary2.3 mi · 441
Frequently asked questions
About Katherine ElementaryWhat is the total enrollment at Katherine Elementary?
Katherine Elementary enrolls approximately 300 students in grades KG-06.
What age range does Katherine Elementary serve?
Katherine Elementary serves students from grade KG through grade 06.
How many teachers does Katherine Elementary have?
Katherine Elementary employs 13 FTE teachers, for a student-to-teacher ratio of 23.1:1.
How diverse is Katherine Elementary?
Katherine Elementary reports a student body of 38% White, 46% Hispanic, 2% Black, 8% Asian, 7% Two or more.
Who oversees Katherine Elementary?
Katherine Elementary is overseen by Simi Valley Unified in Ventura County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.