- Enrollment
- 815
- Students per teacher
- 26.3:1
- Resource Index
- 31/100
Elementary school (grades K-5) · Campbell, CA
Castlemont Elementary
Federal NCES profile for Castlemont Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 19/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060720000664Charter school
👥 S:T ratio 13
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 34
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Castlemont Elementary earns 19/100 on the Resource Investment Index, with class sizes near the California median.
- #5 of 5
- elementary schools in Campbell · Resource Index
- 19
- Resource Index · Lower
- 21.8:1
- students per teacher
- 41.2%
- free-lunch eligible
Castlemont Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Castlemont Elementary ranks #5 of 5 elementary schools in Campbell, CA.
School address
District: Campbell Union · California
NCES ID 060720000664 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-33 students YoY
Castlemont Elementary shrank from 452 students in 2022-23 to 419 in 2023-24 (-7.3%).
Teacher FTE lost 20.0 → 19.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-33 students YoY 060720000664 · Campbell, CA Elementary · SMALL · CHARTER
436 enr · 21.8:1 · 41.2% lunch · RII 19
Nearest enrollment peer: Campbell School of Innovation (815 students)
Castlemont Elementary shrank from 452 students in 2022-23 to 419 in 2023-24 (-7.3%). Teacher FTE lost 20.0 → 19.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Castlemont Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Campbell Schoo
Campbell School of Innovation
815 students
- Rolling Hills
Rolling Hills Middle
778 students
- Monroe Middle
Monroe Middle
677 students
- Sherman Oaks E
Sherman Oaks Elementary
524 students
- Forest Hill El
Forest Hill Elementary
506 students
- This school
Castlemont Elementary
436 students
What this shows Castlemont Elementary reports 436 students on the CCD universe file.
How Castlemont Elementary compares
Castlemont Elementary is a shrinking campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.8:1 | ▲ 1% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 41.2% | ▼ 26% | 55.5% | 51.7% |
| Enrollment | 436 | top 55% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.8:1
Leaner classes than 11% of US schools, heavier class loads than most.
436
Bigger than 53% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
41.2%
free-lunch eligible
- 26% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
21.8:1
students per teacher
- 1% above state mean
Top 51% in California - lower ratio than 49% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
26.4%
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
$18,914
per pupil, district-wide
- above California avg of $18,665
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
16
in-school suspensions + 13 out-of-school
Suspension rate: 3.7 per 100 students. Combined in-school and out-of-school rate: 6.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 55.7%
White 19.5%
Asian 11.0%
Two or More 7.6%
African American 5.3%
Native Hawaiian / Pacific Islander 0.9%
Largest group: Hispanic or Latino at 55.7% of enrollment.
Student-body diversity index 63.1/100
Simpson diversity index - at 63.1, Castlemont Elementary is more mixed than the California school average of 46.0.
Programs
District finance for Campbell Union reports $18,914 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Castlemont Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Campbell School of Innovation | Larger | Lower economic need | Higher S:T ratio |
| Rolling Hills Middle | Larger | Lower economic need | Lower S:T ratio |
| Monroe Middle | Larger | Similar economic need | Lower S:T ratio |
| Sherman Oaks Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Forest Hill Elementary | Similar size | Lower economic need | Lower S:T ratio |
Comparisons are relative to Castlemont Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 778
- Students per teacher
- 19:1
- Resource Index
- 36/100
- Enrollment
- 677
- Students per teacher
- 19.3:1
- Resource Index
- 30/100
- Enrollment
- 524
- Students per teacher
- 21.8:1
- Resource Index
- 31/100
- Enrollment
- 506
- Students per teacher
- 19.5:1
- Resource Index
- 40/100
Similar elementary schools in Campbell
4 comparable elementary schools (grades K-5) serving the same city.
Campbell School of Innovation
Standard public school
815 students 26.3:1 students per teacher
Capri Elementary
Standard public school
457 students 24.1:1 students per teacher
Rosemary
Standard public school
413 students 27.5:1 students per teacher
Village
Standard public school
198 students 22:1 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 (~436 students)
Frequently asked questions about Castlemont Elementary
How many students attend Castlemont Elementary?
Castlemont Elementary has 436 students enrolled. It is an elementary school in Campbell, CA. CCD year-over-year: 452 (2022-23) → 419 (2023-24), down 33.
What is the student-teacher ratio at Castlemont Elementary?
The student-teacher ratio at Castlemont Elementary is 21.8:1, which is 1% 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 Castlemont Elementary?
41.2% of students at Castlemont Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Castlemont Elementary?
The largest demographic group at Castlemont Elementary is Hispanic or Latino at 55.7% of enrollment, in Campbell, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.1/100.
What is the Resource Investment Index for Castlemont Elementary?
Castlemont Elementary has a Resource Investment Index of 19/100 (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 Castlemont Elementary rank among elementary schools in Campbell?
By Resource Investment Index, Castlemont Elementary ranks #5 of 5 elementary schools in Campbell, 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 Campbell on the city page.
What other schools are in Campbell Union?
Besides Castlemont Elementary, Campbell Union also operates Campbell School of Innovation (815 students), Rolling Hills Middle (778 students), and Monroe Middle (677 students). See the Campbell Union district page for the complete list.