- Enrollment
- 2,557
- Students per teacher
- 23.2:1
- Resource Index
- 44/100
High school (grades 9-12) · Chula Vista, CA
Castle Park Senior High
Federal NCES profile for Castle Park Senior High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063864006477
👥 S:T ratio 16
🌟 Gifted program 30
🎓 Counselors 66
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Castle Park Senior High earns 39/100 on the Resource Investment Index, with class sizes near the California median.
- #2 of 9
- high schools in Chula Vista · Resource Index
- 39
- Resource Index · Typical
- 21:1
- students per teacher
- 70.0%
- free-lunch eligible
Castle Park Senior High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Castle Park Senior High ranks #2 of 9 high schools in Chula Vista, CA.
School address
District: Sweetwater Union High · California
NCES ID 063864006477 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-52 students YoY
Castle Park Senior High held near 1,381 students from 2022-23 to 2023-24 (-52 headcount).
Teacher FTE held 65.6 → 65.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-52 students YoY 063864006477 · Chula Vista, CA High · MID · TRAD
1,363 enr · 21:1 · 70.0% lunch · RII 39
Nearest enrollment peer: Eastlake High (2,557 students)
Castle Park Senior High held near 1,381 students from 2022-23 to 2023-24 (-52 headcount). Teacher FTE held 65.6 → 65.7 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Castle Park Senior High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Eastlake High
Eastlake High
2,557 students
- Otay Ranch Sen
Otay Ranch Senior High
2,440 students
- Sweetwater Hig
Sweetwater High
2,290 students
- Olympian High
Olympian High
2,289 students
- Bonita Vista S
Bonita Vista Senior High
1,960 students
- This school
Castle Park Senior High
1,363 students
What this shows Castle Park Senior High reports 1,363 students on the CCD universe file.
How Castle Park Senior High compares
Castle Park Senior High 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 | 21:1 | ▼ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 70.0% | ▲ 26% | 55.5% | 51.7% |
| Enrollment | 1,363 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21:1
Leaner classes than 13% of US schools, heavier class loads than most.
1,363
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
70.0%
free-lunch eligible
- 26% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
21:1
students per teacher
- 2% below state mean
Top 43% in California - lower ratio than 57% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
22.6%
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
$15,327
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
Counselors8.0 FTE
Per 170 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 56 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 4.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 87.0%
White 5.8%
Asian 4.3%
African American 1.5%
Two or More 0.8%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 87.0% of enrollment.
Student-body diversity index 23.8/100
Simpson diversity index - at 23.8, Castle Park Senior High is less mixed than the California school average of 46.0.
Programs
AP courses offered 17
District finance for Sweetwater Union High reports $15,327 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Castle Park Senior High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Eastlake High | Larger | Lower economic need | Higher S:T ratio |
| Otay Ranch Senior High | Larger | Lower economic need | Higher S:T ratio |
| Sweetwater High | Larger | Similar economic need | Similar S:T ratio |
| Olympian High | Larger | Lower economic need | Higher S:T ratio |
| Bonita Vista Senior High | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Castle Park Senior High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,440
- Students per teacher
- 24.2:1
- Resource Index
- 37/100
- Enrollment
- 2,290
- Students per teacher
- 21.2:1
- Resource Index
- 29/100
- Enrollment
- 2,289
- Students per teacher
- 24.1:1
- Resource Index
- 38/100
- Enrollment
- 1,960
- Students per teacher
- 21.5:1
- Resource Index
- 36/100
Similar high schools in Chula Vista
6 comparable high schools (grades 9-12) serving the same city.
Eastlake High
Standard public school
2,557 students 23.2:1 students per teacher
Otay Ranch Senior High
Standard public school
2,440 students 24.2:1 students per teacher
Olympian High
Standard public school
2,289 students 24.1:1 students per teacher
Bonita Vista Senior High
Standard public school
1,960 students 21.5:1 students per teacher
Chula Vista Senior High
Standard public school
1,864 students 17.8:1 students per teacher
Hilltop Senior High
Standard public school
1,771 students 21.6:1 students per teacher
Nationwide high 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 (~1,363 students)
Frequently asked questions about Castle Park Senior High
How many students attend Castle Park Senior High?
Castle Park Senior High has 1,363 students enrolled. It is a high school in Chula Vista, CA. CCD year-over-year: 1,433 (2022-23) → 1,381 (2023-24), nearly flat (-52).
What is the student-teacher ratio at Castle Park Senior High?
The student-teacher ratio at Castle Park Senior High is 21:1, which is 2% lower than the California average of 21.5:1 and 34% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Castle Park Senior High?
70.0% of students at Castle Park Senior High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Castle Park Senior High?
The largest demographic group at Castle Park Senior High is Hispanic or Latino at 87.0% of enrollment, in Chula Vista, CA.
What is the Resource Investment Index for Castle Park Senior High?
Castle Park Senior High has a Resource Investment Index of 39/100 (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 Castle Park Senior High rank among high schools in Chula Vista?
By Resource Investment Index, Castle Park Senior High ranks #2 of 9 high schools in Chula Vista, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Chula Vista on the city page.
What other schools are in Sweetwater Union High?
Besides Castle Park Senior High, Sweetwater Union High also operates Eastlake High (2,557 students), Otay Ranch Senior High (2,440 students), and Sweetwater High (2,290 students). See the Sweetwater Union High district page for the complete list.