Enrollment
1,073
California · 2024-25 NCES data
High school (grades 9-12) · Seaside, CA
Seaside High
Federal NCES profile for Seaside High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 062553003843
👥 S:T ratio 16
📚 AP courses 45
🌟 Gifted program 30
🎓 Counselors 28
📋 Attendance 37
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Seaside High earns 31/100 on the Resource Investment Index, with class sizes near the California median.
- #3 of 3
- high schools in Seaside · Resource Index
- 31
- Resource Index · Lower
- 21:1
- students per teacher
- 76.5%
- free-lunch eligible
Seaside High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Seaside High ranks #3 of 3 high schools in Seaside, CA.
School address
District: Monterey Peninsula Unified · California
NCES ID 062553003843 Verify on NCES CCD record →
Teachers (FTE)
51.0
Federal CCD staff survey
Students per teacher
21:1
vs 21.5:1 California avg
-2% vs state
Free-lunch eligible
76.5%
vs 55.5% California avg
+38% vs state
Student-teacher ratio in context
How Seaside High compares with California and U.S. medians
What stands out at Seaside High
Seaside High is a high-poverty, large high school in Seaside, California, enrolling 1,073 students.
At 21:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 76.5% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 90% of state schools at 1,073 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 791 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #306.
Its student body is predominantly Hispanic or Latino (81% of enrollment) (diversity index 33/100).
On the academic-pipeline side it reports 9 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 358 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 25.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Seaside's high schools, it stands alongside Central Coast High (103 students): Seaside High is larger than that campus by headcount and runs heavier classes (21:1 vs 7.4:1).
Monterey Peninsula Unified also operates Monterey High (1,401 students) and Marina High (721 students) alongside Seaside High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Seaside High compares
Seaside High on the metrics families compare, against 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 | 76.5% | ▲ 38% | 55.5% | 51.7% |
| Enrollment | 1,073 | top 10% | - | - |
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.
1,073
Bigger than 92% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
76.5%
free-lunch eligible
- 38% 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
25.4%
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
$16,404
per pupil, district-wide
- below California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors3.0 FTE
Per 358 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 57 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 5.3 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 81.1%
White 5.6%
Asian 5.5%
African American 4.4%
Two or More 1.9%
Native Hawaiian / Pacific Islander 1.4%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 81.1% of enrollment.
Student-body diversity index 33.4/100
Simpson diversity index - at 33.4, Seaside High is less mixed than the California school average of 46.0.
Programs
AP courses offered 9
Funding & spending
District-wide per-pupil expenditure for Monterey Peninsula Unified, which includes Seaside High.
$16,404
Per student
-1%
vs California
Avg $16,509
-1%
vs U.S.
Avg $16,593
Revenue mix
Local 46.8%
State 40.7%
Federal 12.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Seaside High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Monterey High | Larger | Lower economic need | Similar S:T ratio |
| Marina High | Smaller | Lower economic need | Similar S:T ratio |
| La Mesa | Smaller | Lower economic need | Higher S:T ratio |
| Monte Vista | Smaller | Lower economic need | Higher S:T ratio |
| J. C. Crumpton Elementary | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to Seaside High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,401
- Students per teacher
- 21.6:1
- Resource Index
- 27/100
- Enrollment
- 721
- Students per teacher
- 20.6:1
- Resource Index
- 27/100
- Enrollment
- 689
- Students per teacher
- 26.5:1
- Resource Index
- 32/100
- Enrollment
- 688
- Students per teacher
- 26.5:1
- Resource Index
- 31/100
- Enrollment
- 562
- Students per teacher
- 23.4:1
- Resource Index
- 16/100
Similar high schools in Seaside
2 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,073 students)
Similar student-teacher ratio (~21:1)
Next steps
Verify locally before acting on Seaside High's federal record.
- Compare Seaside High against another school. Compare schools
- Monterey Peninsula Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Seaside High
How many students attend Seaside High?
Seaside High has 1,073 students enrolled. It is a high school in Seaside, CA.
What is the student-teacher ratio at Seaside High?
The student-teacher ratio at Seaside 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 Seaside High?
76.5% of students at Seaside High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Seaside High?
The largest demographic group at Seaside High is Hispanic or Latino at 81.1% of enrollment, in Seaside, CA.
What is the Resource Investment Index for Seaside High?
Seaside High has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Seaside High rank among high schools in Seaside?
By Resource Investment Index, Seaside High ranks #3 of 3 high schools in Seaside, 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 Seaside on the city page.
Is Seaside High a good school?
Seaside High earns 31/100 on the Resource Investment Index, with class sizes near the California median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Monterey Peninsula Unified?
Besides Seaside High, Monterey Peninsula Unified also operates Monterey High (1,401 students), Marina High (721 students), and La Mesa (689 students). See the Monterey Peninsula Unified district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.