- Enrollment
- 1,910
- Students per teacher
- 23.3:1
- Resource Index
- 37/100
Elementary school (grades K-5) · Simi Valley, CA
Atherwood Elementary
Federal NCES profile for Atherwood Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063684006248
👥 S:T ratio 13
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 4
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Atherwood Elementary earns 22/100 on the Resource Investment Index, with class sizes near the California median.
- #13 of 19
- elementary schools in Simi Valley · Resource Index
- 22
- Resource Index · Lower
- 21.7:1
- students per teacher
- 23.1%
- free-lunch eligible
Atherwood Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Atherwood Elementary ranks #13 of 19 elementary schools in Simi Valley, CA.
School address
District: Simi Valley Unified · California
NCES ID 063684006248 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-16 students YoY
Atherwood Elementary held near 486 students from 2022-23 to 2023-24 (-16 headcount).
Teacher FTE held 21.0 → 21.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-16 students YoY 063684006248 · Simi Valley, CA Elementary · SMALL · TRAD
456 enr · 21.7:1 · 23.1% lunch · RII 22
Nearest enrollment peer: Simi Valley High (1,910 students)
Atherwood Elementary held near 486 students from 2022-23 to 2023-24 (-16 headcount). Teacher FTE held 21.0 → 21.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Atherwood Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Simi Valley Hi
Simi Valley High
1,910 students
- Royal High
Royal High
1,835 students
- Valley View Mi
Valley View Middle
1,329 students
- Hillside Middl
Hillside Middle
1,138 students
- Santa Susana H
Santa Susana High
1,033 students
- This school 456
Atherwood Elementary
456 students
What this shows Atherwood Elementary reports 456 students on the CCD universe file.
How Atherwood Elementary compares
Atherwood Elementary held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.7:1 | ▲ 1% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 23.1% | ▼ 58% | 55.5% | 51.7% |
| Enrollment | 456 | top 52% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.7:1
Leaner classes than 11% of US schools, heavier class loads than most.
456
Bigger than 56% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
23.1%
free-lunch eligible
- 58% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
21.7:1
students per teacher
- 1% above state mean
Top 50% in California - lower ratio than 50% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
38.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,349
per pupil, district-wide
- below California avg of $18,665
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.3 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
10
in-school suspensions + 6 out-of-school
Suspension rate: 2.2 per 100 students. Combined in-school and out-of-school rate: 3.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 49.1%
Hispanic or Latino 35.1%
Asian 9.4%
Two or More 5.0%
African American 1.1%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 49.1% of enrollment.
Student-body diversity index 62.4/100
Simpson diversity index - at 62.4, Atherwood Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for Simi Valley Unified reports $15,349 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Atherwood Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Simi Valley High | Larger | Similar economic need | Higher S:T ratio |
| Royal High | Larger | Higher economic need | Similar S:T ratio |
| Valley View Middle | Larger | Similar economic need | Higher S:T ratio |
| Hillside Middle | Larger | Similar economic need | Higher S:T ratio |
| Santa Susana High | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Atherwood Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,835
- Students per teacher
- 20.6:1
- Resource Index
- 38/100
- Enrollment
- 1,329
- Students per teacher
- 30.2:1
- Resource Index
- 31/100
- Enrollment
- 1,138
- Students per teacher
- 29.9:1
- Resource Index
- 33/100
- Enrollment
- 1,033
- Students per teacher
- 23:1
- Resource Index
- 47/100
Similar elementary schools in Simi Valley
6 comparable elementary schools (grades K-5) serving the same city.
Vista Elementary
Standard public school
567 students 22.7:1 students per teacher
Hollow Hills Elementary
Standard public school
560 students 21.5:1 students per teacher
Township Elementary
Standard public school
521 students 21.7:1 students per teacher
Berylwood Elementary
Standard public school
457 students 21.8:1 students per teacher
Wood Ranch Elementary
Standard public school
452 students 22.6:1 students per teacher
Big Springs Elementary
Standard public school
441 students 24.5:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~456 students)
Frequently asked questions about Atherwood Elementary
How many students attend Atherwood Elementary?
Atherwood Elementary has 456 students enrolled. It is an elementary school in Simi Valley, CA. CCD year-over-year: 502 (2022-23) → 486 (2023-24), nearly flat (-16).
What is the student-teacher ratio at Atherwood Elementary?
The student-teacher ratio at Atherwood Elementary is 21.7:1, which is 1% higher than the California average of 21.5:1 and 38% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Atherwood Elementary?
23.1% of students at Atherwood Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Atherwood Elementary?
The largest demographic group at Atherwood Elementary is White at 49.1% of enrollment, in Simi Valley, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.4/100.
What is the Resource Investment Index for Atherwood Elementary?
Atherwood Elementary has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Atherwood Elementary rank among elementary schools in Simi Valley?
By Resource Investment Index, Atherwood Elementary ranks #13 of 19 elementary schools in Simi Valley, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Simi Valley on the city page.
What other schools are in Simi Valley Unified?
Besides Atherwood Elementary, Simi Valley Unified also operates Simi Valley High (1,910 students), Royal High (1,835 students), and Valley View Middle (1,329 students). See the Simi Valley Unified district page for the complete list.