Enrollment
1,326
California · 2024-25 NCES data
High school (grades 9-12) · Covina, CA
Gladstone High
Federal NCES profile for Gladstone High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060360000273
👥 S:T ratio 0
📚 AP courses 55
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 42
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Gladstone High earns 33/100 on the Resource Investment Index, with class sizes larger than 99% of California schools. It is also less racially and ethnically mixed than most California schools.
- #5 of 5
- high schools in Covina · Resource Index
- 33
- Resource Index · Typical
- 36.8:1
- large classes for California
- 79.2%
- free-lunch eligible
Gladstone High has class sizes larger than 99% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Gladstone High ranks #5 of 5 high schools in Covina, CA.
School address
District: Azusa Unified · California
NCES ID 060360000273 Verify on NCES CCD record →
Teachers (FTE)
36.0
Federal CCD staff survey
Students per teacher
36.8:1
vs 21.5:1 California avg
+71% vs state
Free-lunch eligible
79.2%
vs 55.5% California avg
+43% vs state
Student-teacher ratio in context
How Gladstone High compares with California and U.S. medians
What stands out at Gladstone High
Gladstone High is a high-poverty, large high school in Covina, California, enrolling 1,326 students.
Class loads run heavy: 36.8:1 is larger than about 99% of California schools and 71% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 79.2% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 93% of state schools at 1,326 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 423 statewide peers matched on enrollment and economic need, it ranks mid-pack at #226.
Its student body is predominantly Hispanic or Latino (91% of enrollment), among the less diverse in the state (diversity index 17/100).
On the academic-pipeline side it reports 11 Advanced Placement courses.
Counselor access is stretched at roughly 663 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 23.2% of students chronically absent per the 2021-22 civil-rights collection.
Among Covina's high schools, it stands alongside Charter Oak High (1,259 students): Gladstone High is larger than that campus by headcount and runs heavier classes (36.8:1 vs 21.7:1).
Azusa Unified also operates Azusa High (1,609 students) and Valleydale Elementary (526 students) alongside Gladstone 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 Gladstone High compares
Gladstone 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 | 36.8:1 | ▲ 71% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 79.2% | ▲ 43% | 55.5% | 51.7% |
| Enrollment | 1,326 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
36.8:1
Leaner classes than 1% of US schools, heavier class loads than most.
1,326
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
79.2%
free-lunch eligible
- 43% 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
36.8:1
students per teacher
- 71% above state mean
Top 99% in California - lower ratio than 1% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
23.2%
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
$17,472
per pupil, district-wide
- above California avg of $16,509
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 663 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 44 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 3.8 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 90.8%
Asian 3.6%
White 3.5%
Two or More 1.4%
African American 0.5%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 90.8% of enrollment.
Student-body diversity index 17.3/100
Simpson diversity index - at 17.3, Gladstone High is less mixed than the California school average of 46.0.
Programs
AP courses offered 11
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Azusa Unified, which includes Gladstone High.
$17,472
Per student
+6%
vs California
Avg $16,509
+5%
vs U.S.
Avg $16,593
Revenue mix
Local 26.8%
State 62.9%
Federal 10.3%
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 Gladstone High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Azusa High | Similar size | Similar economic need | Lower S:T ratio |
| Valleydale Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Paramount Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Victor F. Hodge Elementary | Smaller | Lower economic need | Lower S:T ratio |
| Clifford D. Murray Elementary | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Gladstone High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,609
- Students per teacher
- 26.8:1
- Resource Index
- 29/100
- Enrollment
- 526
- Students per teacher
- 21:1
- Resource Index
- 29/100
- Enrollment
- 513
- Students per teacher
- 23.3:1
- Resource Index
- 26/100
- Enrollment
- 460
- Students per teacher
- 18.4:1
- Resource Index
- 32/100
- Enrollment
- 397
- Students per teacher
- 22.1:1
- Resource Index
- 27/100
Similar high schools in Covina
4 comparable high schools (grades 9-12) serving the same city.
Charter Oak High
Standard public school
1,259 students 21.7:1 students per teacher
Northview High
Standard public school
1,247 students 26.5:1 students per teacher
Covina High
Standard public school
1,056 students 22.5:1 students per teacher
Fairvalley High (Continuation)
Alternative education program
115 students 8.2:1 students per teacher
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 (~1,326 students)
Next steps
Verify locally before acting on Gladstone High's federal record.
- Compare Gladstone High against another school. Compare schools
- Azusa 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 Gladstone High
How many students attend Gladstone High?
Gladstone High has 1,326 students enrolled. It is a high school in Covina, CA.
What is the student-teacher ratio at Gladstone High?
The student-teacher ratio at Gladstone High is 36.8:1, which is 71% higher than the California average of 21.5:1 and 134% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Gladstone High?
79.2% of students at Gladstone High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Gladstone High?
The largest demographic group at Gladstone High is Hispanic or Latino at 90.8% of enrollment, in Covina, CA.
What is the Resource Investment Index for Gladstone High?
Gladstone High has a Resource Investment Index of 33/100 (typical 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 Gladstone High rank among high schools in Covina?
By Resource Investment Index, Gladstone High ranks #5 of 5 high schools in Covina, 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 Covina on the city page.
Is Gladstone High a good school?
Gladstone High earns 33/100 on the Resource Investment Index, with class sizes larger than 99% of California schools. It is also less racially and ethnically mixed than most California schools. 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 Azusa Unified?
Besides Gladstone High, Azusa Unified also operates Azusa High (1,609 students), Valleydale Elementary (526 students), and Paramount Elementary (513 students). See the Azusa 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.