Enrollment
200
California · 2024-25 NCES data
High school (grades 9-12) · Stockton, CA
Edward C. Merlo Institute of Environmental Studies
Federal NCES profile for Edward C. Merlo Institute of Environmental Studies, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063801012098
👥 S:T ratio 38
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 60
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Edward C. Merlo Institute of Environmental Studies earns 28/100 on the Resource Investment Index, even as it posts class sizes smaller than 88% of California schools. It is also less racially and ethnically mixed than most California schools.
- #11 of 19
- high schools in Stockton · Resource Index
- 28
- Resource Index · Lower
- 15.4:1
- small classes for California
- 69.9%
- free-lunch eligible
Edward C. Merlo Institute of Environmental Studies has class sizes smaller than 88% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Edward C. Merlo Institute of Environmental Studies ranks #11 of 19 high schools in Stockton, CA.
School address
District: Stockton Unified · California
NCES ID 063801012098 Verify on NCES CCD record →
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
15.4:1
vs 21.5:1 California avg
-28% vs state
Free-lunch eligible
69.9%
vs 55.5% California avg
+26% vs state
Student-teacher ratio in context
How Edward C. Merlo Institute of Environmental Studies compares with California and U.S. medians
What stands out at Edward C. Merlo Institute of Environmental Studies
Edward C. Merlo Institute of Environmental Studies is a higher-need, mid-sized high school in Stockton, California, enrolling 200 students.
Classes run notably small here: at 15.4:1, Edward C. Merlo Institute of Environmental Studies is leaner than roughly 88% of California schools and 28% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 69.9% of students eligible for free meals.
Enrollment of 200 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 562 statewide peers matched on enrollment and economic need, it ranks mid-pack at #291.
Its student body is predominantly Hispanic or Latino (92% of enrollment), among the less diverse in the state (diversity index 15/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 200 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 41.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Stockton's high schools, it stands alongside Lincoln High (2,801 students): Edward C. Merlo Institute of Environmental Studies is smaller than that campus by headcount and runs leaner classes (15.4:1 vs 22.1:1).
Stockton Unified also operates Edison High (2,355 students) and Franklin High (2,065 students) alongside Edward C. Merlo Institute of Environmental Studies.
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 Edward C. Merlo Institute of Environmental Studies compares
Edward C. Merlo Institute of Environmental Studies on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.4:1 | ▼ 28% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 69.9% | ▲ 26% | 55.5% | 51.7% |
| Enrollment | 200 | top 83% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.4:1
Leaner classes than 43% of US schools, a middle-of-the-pack class size.
200
Bigger than 20% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
69.9%
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
15.4:1
students per teacher
- 28% below state mean
Top 12% in California - lower ratio than 88% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
41.5%
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
$16,374
per pupil, district-wide
- below California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 200 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 7 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 4.0 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 92.0%
African American 4.5%
Asian 2.5%
White 1.0%
Largest group: Hispanic or Latino at 92.0% of enrollment.
Student-body diversity index 15.1/100
Simpson diversity index - at 15.1, Edward C. Merlo Institute of Environmental Studies is less mixed than the California school average of 46.0.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Stockton Unified, which includes Edward C. Merlo Institute of Environmental Studies.
$16,374
Per student
-1%
vs California
Avg $16,509
-1%
vs U.S.
Avg $16,593
Revenue mix
Local 18.1%
State 69.6%
Federal 12.3%
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 Edward C. Merlo Institute of Environmental Studies Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Edison High | Larger | Similar economic need | Higher S:T ratio |
| Franklin High | Larger | Similar economic need | Higher S:T ratio |
| Cesar Chavez High | Larger | Similar economic need | Higher S:T ratio |
| Stagg Senior High | Larger | Similar economic need | Higher S:T ratio |
| Commodore Stockton Skills | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Edward C. Merlo Institute of Environmental Studies's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,355
- Students per teacher
- 22.4:1
- Resource Index
- 27/100
- Enrollment
- 2,065
- Students per teacher
- 19.9:1
- Resource Index
- 25/100
- Enrollment
- 2,021
- Students per teacher
- 21.7:1
- Resource Index
- 22/100
- Enrollment
- 1,677
- Students per teacher
- 20.2:1
- Resource Index
- 31/100
- Enrollment
- 971
- Students per teacher
- 24.9:1
- Resource Index
- 11/100
Similar high schools in Stockton
6 comparable high schools (grades 9-12) serving the same city.
Lincoln High
Standard public school
2,801 students 22.1:1 students per teacher
Edison High
Standard public school
2,355 students 22.4:1 students per teacher
Cesar Chavez High
Standard public school
2,021 students 21.7:1 students per teacher
Bear Creek High
Standard public school
1,925 students 20.1:1 students per teacher
Stagg Senior High
Standard public school
1,677 students 20.2:1 students per teacher
Ronald E. Mcnair High
Standard public school
1,644 students 17.7:1 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 (~200 students)
Next steps
Verify locally before acting on Edward C. Merlo Institute of Environmental Studies's federal record.
- Compare Edward C. Merlo Institute of Environmental Studies against another school. Compare schools
- Stockton 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 Edward C. Merlo Institute of Environmental Studies
How many students attend Edward C. Merlo Institute of Environmental Studies?
Edward C. Merlo Institute of Environmental Studies has 200 students enrolled. It is a high school in Stockton, CA.
What is the student-teacher ratio at Edward C. Merlo Institute of Environmental Studies?
The student-teacher ratio at Edward C. Merlo Institute of Environmental Studies is 15.4:1, which is 28% lower than the California average of 21.5:1 and 2% lower 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 Edward C. Merlo Institute of Environmental Studies?
69.9% of students at Edward C. Merlo Institute of Environmental Studies are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Edward C. Merlo Institute of Environmental Studies?
The largest demographic group at Edward C. Merlo Institute of Environmental Studies is Hispanic or Latino at 92.0% of enrollment, in Stockton, CA.
What is the Resource Investment Index for Edward C. Merlo Institute of Environmental Studies?
Edward C. Merlo Institute of Environmental Studies has a Resource Investment Index of 28/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Edward C. Merlo Institute of Environmental Studies rank among high schools in Stockton?
By Resource Investment Index, Edward C. Merlo Institute of Environmental Studies ranks #11 of 19 high schools in Stockton, 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 Stockton on the city page.
Is Edward C. Merlo Institute of Environmental Studies a good school?
Edward C. Merlo Institute of Environmental Studies earns 28/100 on the Resource Investment Index, even as it posts class sizes smaller than 88% 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 Stockton Unified?
Besides Edward C. Merlo Institute of Environmental Studies, Stockton Unified also operates Edison High (2,355 students), Franklin High (2,065 students), and Cesar Chavez High (2,021 students). See the Stockton 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.