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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
Enrollment
300
Elementary
DISTRICT 362 · STATE 465
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
Kindergarten
75
Grade 1
46
Grade 2
50
Grade 3
33
Grade 4
47
Grade 5
49
Student demographics
White
38%
DISTRICT 39% · STATE 20%
Hispanic
46%
DISTRICT 45% · STATE 56%
Black
2%
DISTRICT 2% · STATE 5%
Asian
8%
DISTRICT 10% · STATE 12%
Two+
7%
DISTRICT 4% · STATE 6%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
53%
Female
47%

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
50.0%
CA avg 47.1% . +10.0pp since 2014
Math
42.3%
CA avg 35.6% . +8.3pp since 2014
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
43.8%
composite math + reading, all grades
Predicted
48.1%
based on CA schools with similar FRL share
Beats by
-4.3pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
300
-59 (-16%) vs 2017
Student : Teacher
23.1:1
was 27.6:1
% White
38%
was 52%
% Hispanic
46%
was 31%
% Black
2%
was 1%
% Asian
8%
was 10%
Source: NCES Common Core of Data

About Katherine Elementary

Set in Simi Valley, California, Katherine Elementary is a tight-knit K-5 school, overseen by Simi Valley Unified. It educates 300 students across grades K through 6. That puts it 35% smaller than the typical public school in California, which averages around 465 students.

Simi Valley Unified runs 27 schools in total, collectively educating 15,418 students. Katherine Elementary is one of those campuses.

For racial and ethnic makeup, Katherine Elementary shows that the largest single group is Hispanic at 46%, but no single group is in the majority; the rest comes out to 38% White, 8% Asian, 7% multiracial. Compared to Ventura County overall, the school's racial mix sits in roughly the same range.

Looking at the economic backdrop, Staff filings list 13 full-time-equivalent teachers, which works out to roughly 23.1:1 students per teacher. The state averages around 22.3:1, so this campus is higher than the state norm typical. An estimated 53% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

On a demographically-adjusted basis, Katherine Elementary tracks the demographic baseline. The model predicts 48.1% given the school's FRL share; actual proficiency is 43.8%.

Across the wider county, the surrounding county (Ventura County) records that the typical household earns roughly $109,797 per year, 36% of adults hold a bachelor's degree or higher, and roughly 7% of residents live below the federal poverty line. Across Ventura County's 238 public schools (combined enrollment of about 147,841 students), Katherine Elementary is one campus in the mix.

The closest other public school is Simi Valley High, roughly 0.7 miles away. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), Katherine Elementary ranks 5th on composite proficiency, higher than the local average of 39.3%.

Geographically, the school is in a suburban area.

Five-year trend. Looking back 7 years, enrollment at Katherine Elementary has declined 16%, going from 359 students in 2018 to 300 in 2025. Over the same period, the Hispanic share rose from 31% to 46%. Class-load math has pulled in: from 27.6:1 in 2018 to 23.1:1 in 2025.

On allk12, recent activity here tends to focus on pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.

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
Katherine Elementary
District
Simi Valley Unified
Address
5455 Katherine St., Simi Valley, CA 93063
Phone
(805) 520-6780
County
Ventura County
Level
Elementary
Grade range
KG–06
Total enrollment
300
Teachers (FTE)
13
Student–teacher ratio
23.1:1
Free/Reduced lunch
158 (53%)
Locale
22-Suburb: Mid-size
NCES ID
063684006258
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 Katherine Elementary
What 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.
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