- Enrollment
- 1,590
- Students per teacher
- 21.5:1
- Resource Index
- 27/100
Middle school (grades 6-8) · San Jose, CA
Castillero Middle
Federal NCES profile for Castillero Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 063459005707
👥 S:T ratio 6
🌟 Gifted program 30
🎓 Counselors 71
📋 Attendance 44
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Castillero Middle earns 38/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
- #11 of 31
- middle schools in San Jose · Resource Index
- 38
- Resource Index · Typical
- 23.4:1
- students per teacher
- 25.2%
- free-lunch eligible
Castillero Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Castillero Middle ranks #11 of 31 middle schools in San Jose, CA.
School address
District: San Jose Unified · California
NCES ID 063459005707 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-32 students YoY
Castillero Middle held near 849 students from 2022-23 to 2023-24 (-32 headcount).
Teacher FTE added 37.4 → 38.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-32 students YoY 063459005707 · San Jose, CA Middle · MID · TRAD
865 enr · 23.4:1 · 25.2% lunch · RII 38
Nearest enrollment peer: Abraham Lincoln High (1,590 students)
Castillero Middle held near 849 students from 2022-23 to 2023-24 (-32 headcount). Teacher FTE added 37.4 → 38.7 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Castillero Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Abraham Lincol
Abraham Lincoln High
1,590 students
- Willow Glen Hi
Willow Glen High
1,543 students
- Leland High
Leland High
1,471 students
- Pioneer High
Pioneer High
1,393 students
- Willow Glen Mi
Willow Glen Middle
1,180 students
- This school
Castillero Middle
865 students
What this shows Castillero Middle reports 865 students on the CCD universe file.
How Castillero Middle compares
Castillero Middle 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 | 23.4:1 | ▲ 9% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 25.2% | ▼ 55% | 55.5% | 51.7% |
| Enrollment | 865 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.4:1
Leaner classes than 7% of US schools, heavier class loads than most.
865
Bigger than 88% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
25.2%
free-lunch eligible
- 55% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
23.4:1
students per teacher
- 9% above state mean
Top 66% in California - lower ratio than 34% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
22.5%
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
$17,839
per pupil, district-wide
- below California avg of $18,665
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors6.0 FTE
Per 144 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 54 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 6.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 3 expulsions.
Student demographics
Hispanic or Latino 40.2%
White 31.6%
Asian 16.9%
Two or More 9.6%
African American 1.5%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 40.2% of enrollment.
Student-body diversity index 70.1/100
Simpson diversity index - at 70.1, Castillero Middle is more mixed than the California school average of 46.0.
Programs
District finance for San Jose Unified reports $17,839 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Castillero Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Abraham Lincoln High | Larger | Higher economic need | Lower S:T ratio |
| Willow Glen High | Larger | Similar economic need | Lower S:T ratio |
| Leland High | Larger | Lower economic need | Higher S:T ratio |
| Pioneer High | Larger | Similar economic need | Similar S:T ratio |
| Willow Glen Middle | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Castillero Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,543
- Students per teacher
- 20.6:1
- Resource Index
- 26/100
- Enrollment
- 1,471
- Students per teacher
- 26.3:1
- Resource Index
- 34/100
- Enrollment
- 1,393
- Students per teacher
- 22.5:1
- Resource Index
- 35/100
- Enrollment
- 1,180
- Students per teacher
- 25.1:1
- Resource Index
- 27/100
Similar middle schools in San Jose
6 comparable middle schools (grades 6-8) serving the same city.
Willow Glen Middle
Standard public school
1,180 students 25.1:1 students per teacher
Union Middle
Standard public school
1,068 students 25.4:1 students per teacher
Joaquin Miller Middle
Standard public school
1,067 students 21.8:1 students per teacher
Price Charter Middle
Standard public school
959 students 24.6:1 students per teacher
Herbert Hoover Middle
Standard public school
910 students 20.7:1 students per teacher
Dartmouth Middle
Standard public school
903 students 25.1:1 students per teacher
Nationwide middle 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 (~865 students)
Frequently asked questions about Castillero Middle
How many students attend Castillero Middle?
Castillero Middle has 865 students enrolled. It is a middle school in San Jose, CA. CCD year-over-year: 881 (2022-23) → 849 (2023-24), nearly flat (-32).
What is the student-teacher ratio at Castillero Middle?
The student-teacher ratio at Castillero Middle is 23.4:1, which is 9% higher than the California average of 21.5:1 and 49% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Castillero Middle?
25.2% of students at Castillero Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Castillero Middle?
The largest demographic group at Castillero Middle is Hispanic or Latino at 40.2% of enrollment, in San Jose, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.1/100.
What is the Resource Investment Index for Castillero Middle?
Castillero Middle has a Resource Investment Index of 38/100 (typical 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 Castillero Middle rank among middle schools in San Jose?
By Resource Investment Index, Castillero Middle ranks #11 of 31 middle schools in San Jose, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in San Jose on the city page.
What other schools are in San Jose Unified?
Besides Castillero Middle, San Jose Unified also operates Abraham Lincoln High (1,590 students), Willow Glen High (1,543 students), and Leland High (1,471 students). See the San Jose Unified district page for the complete list.