- Enrollment
- 2,740
- Students per teacher
- 21.9:1
- Resource Index
- 28/100
Elementary school (grades K-5) · Mission Viejo, CA
Castille Elementary
Federal NCES profile for Castille Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060744000686
👥 S:T ratio 12
🌟 Gifted program 70
📋 Attendance 52
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Castille Elementary earns 45/100 on the Resource Investment Index, with class sizes near the California median.
- #2 of 12
- elementary schools in Mission Viejo · Resource Index
- 45
- Resource Index · Typical
- 21.9:1
- students per teacher
- 15.8%
- free-lunch eligible
Castille Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Castille Elementary ranks #2 of 12 elementary schools in Mission Viejo, CA.
School address
District: Capistrano Unified · California
NCES ID 060744000686 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-8 students YoY
Castille Elementary held near 497 students from 2022-23 to 2023-24 (-8 headcount).
Teacher FTE held 23.0 → 23.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-8 students YoY 060744000686 · Mission Viejo, CA Elementary · SMALL · TRAD
482 enr · 21.9:1 · 15.8% lunch · RII 45
Nearest enrollment peer: San Clemente High (2,740 students)
Castille Elementary held near 497 students from 2022-23 to 2023-24 (-8 headcount). Teacher FTE held 23.0 → 23.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Castille Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- San Clemente H
San Clemente High
2,740 students
- San Juan Hills
San Juan Hills High
2,641 students
- Aliso Niguel H
Aliso Niguel High
2,563 students
- Tesoro High
Tesoro High
2,030 students
- Capistrano Val
Capistrano Valley High
1,991 students
- This school 482
Castille Elementary
482 students
What this shows Castille Elementary reports 482 students on the CCD universe file.
How Castille Elementary compares
Castille 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 | 21.9:1 | ▲ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 15.8% | ▼ 72% | 55.5% | 51.7% |
| Enrollment | 482 | top 48% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.9:1
Leaner classes than 11% of US schools, heavier class loads than most.
482
Bigger than 59% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
15.8%
free-lunch eligible
- 72% 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
21.9:1
students per teacher
- 2% above state mean
Top 52% in California - lower ratio than 48% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
19.1%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,820
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
9
in-school suspensions + 3 out-of-school
Suspension rate: 1.9 per 100 students. Combined in-school and out-of-school rate: 2.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 52.5%
Hispanic or Latino 20.1%
Two or More 18.5%
Asian 8.1%
African American 0.4%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 52.5% of enrollment.
Student-body diversity index 64.3/100
Simpson diversity index - at 64.3, Castille Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for Capistrano Unified reports $15,820 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Castille Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| San Clemente High | Larger | Higher economic need | Similar S:T ratio |
| San Juan Hills High | Larger | Higher economic need | Similar S:T ratio |
| Aliso Niguel High | Larger | Similar economic need | Similar S:T ratio |
| Tesoro High | Larger | Similar economic need | Similar S:T ratio |
| Capistrano Valley High | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Castille Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,641
- Students per teacher
- 21.5:1
- Resource Index
- 33/100
- Enrollment
- 2,563
- Students per teacher
- 22.5:1
- Resource Index
- 35/100
- Enrollment
- 2,030
- Students per teacher
- 22.1:1
- Resource Index
- 39/100
- Enrollment
- 1,991
- Students per teacher
- 21.9:1
- Resource Index
- 34/100
Similar elementary schools in Mission Viejo
6 comparable elementary schools (grades K-5) serving the same city.
Oxford Preparatory Academy - South Orange County
Standard public school
704 students 20.1:1 students per teacher
Bathgate Elementary
Standard public school
570 students 23.8:1 students per teacher
De Portola Elementary
Standard public school
540 students 25.7:1 students per teacher
Viejo Elementary
Standard public school
447 students 23.5:1 students per teacher
Montevideo Elementary
Standard public school
444 students 20.2:1 students per teacher
Philip J. Reilly Elementary
Standard public school
421 students 21.1:1 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 (~482 students)
Frequently asked questions about Castille Elementary
How many students attend Castille Elementary?
Castille Elementary has 482 students enrolled. It is an elementary school in Mission Viejo, CA. CCD year-over-year: 505 (2022-23) → 497 (2023-24), nearly flat (-8).
What is the student-teacher ratio at Castille Elementary?
The student-teacher ratio at Castille Elementary is 21.9:1, which is 2% higher than the California average of 21.5:1 and 39% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Castille Elementary?
15.8% of students at Castille Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Castille Elementary?
The largest demographic group at Castille Elementary is White at 52.5% of enrollment, in Mission Viejo, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.3/100.
What is the Resource Investment Index for Castille Elementary?
Castille Elementary has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Castille Elementary rank among elementary schools in Mission Viejo?
By Resource Investment Index, Castille Elementary ranks #2 of 12 elementary schools in Mission Viejo, 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 Mission Viejo on the city page.
What other schools are in Capistrano Unified?
Besides Castille Elementary, Capistrano Unified also operates San Clemente High (2,740 students), San Juan Hills High (2,641 students), and Aliso Niguel High (2,563 students). See the Capistrano Unified district page for the complete list.