Enrollment
1,584
California · 2024-25 NCES data
High school (grades 9-12) · Santa Rosa, CA
Maria Carrillo High
Federal NCES profile for Maria Carrillo High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063583006679
👥 S:T ratio 7
📚 AP courses 55
🌟 Gifted program 70
🎓 Counselors 59
📋 Attendance 35
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Maria Carrillo High earns 45/100 on the Resource Investment Index, with class sizes near the California median.
- #3 of 6
- high schools in Santa Rosa · Resource Index
- 45
- Resource Index · Typical
- 23.3:1
- students per teacher
- 19.5%
- free-lunch eligible
Maria Carrillo High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Maria Carrillo High ranks #3 of 6 high schools in Santa Rosa, CA.
School address
District: Santa Rosa High · California
NCES ID 063583006679 Verify on NCES CCD record →
Teachers (FTE)
68.0
Federal CCD staff survey
Students per teacher
23.3:1
vs 21.5:1 California avg
+8% vs state
Free-lunch eligible
19.5%
vs 55.5% California avg
-65% vs state
Student-teacher ratio in context
How Maria Carrillo High compares with California and U.S. medians
What stands out at Maria Carrillo High
Maria Carrillo High is a lower-poverty, large high school in Santa Rosa, California, enrolling 1,584 students.
Class loads run somewhat heavier than typical: 23.3:1 puts it in the larger third of California schools by student-teacher ratio.
Comparatively few students face economic hardship here, 19.5% free-meal eligibility runs 65% below the California average.
By headcount it is one of the larger campuses in California, bigger than 94% of state schools at 1,584 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 339 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #47.
Its student body is led by White (50%) and Hispanic or Latino (31%) (diversity index 64/100).
On the academic-pipeline side it reports 11 Advanced Placement courses.
Counselor coverage is strong, about 206 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 25.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Santa Rosa's high schools, it stands alongside Santa Rosa High (1,553 students): Maria Carrillo High is larger than that campus by headcount and runs heavier classes (23.3:1 vs 17.6:1).
Santa Rosa High also operates Santa Rosa High (1,553 students) and Piner High (1,434 students) alongside Maria Carrillo 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 Maria Carrillo High compares
Maria Carrillo 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 | 23.3:1 | ▲ 8% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 19.5% | ▼ 65% | 55.5% | 51.7% |
| Enrollment | 1,584 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.3:1
Leaner classes than 8% of US schools, heavier class loads than most.
1,584
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
19.5%
free-lunch eligible
- 65% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
23.3:1
students per teacher
- 8% above state mean
Top 65% in California - lower ratio than 35% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
25.9%
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.
Support staff
Counselors7.7 FTE
Per 206 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 32 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 2.1 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
White 49.5%
Hispanic or Latino 31.2%
Asian 9.7%
Two or More 7.1%
African American 1.5%
Native Hawaiian / Pacific Islander 0.5%
American Indian / Alaska Native 0.4%
Largest group: White at 49.5% of enrollment.
Student-body diversity index 64.3/100
Simpson diversity index - at 64.3, Maria Carrillo High is more mixed than the California school average of 46.0.
Programs
AP courses offered 11
Gifted & talented Yes
How Maria Carrillo High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Santa Rosa High | Similar size | Higher economic need | Lower S:T ratio |
| Piner High | Similar size | Higher economic need | Lower S:T ratio |
| Montgomery High | Similar size | Higher economic need | Lower S:T ratio |
| Elsie Allen High | Smaller | Higher economic need | Lower S:T ratio |
| Rincon Valley Middle | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Maria Carrillo High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,553
- Students per teacher
- 17.6:1
- Resource Index
- 41/100
- Enrollment
- 1,434
- Students per teacher
- 21.4:1
- Resource Index
- 39/100
- Enrollment
- 1,253
- Students per teacher
- 16.3:1
- Resource Index
- 44/100
- Enrollment
- 1,029
- Students per teacher
- 17.7:1
- Resource Index
- 40/100
- Enrollment
- 725
- Students per teacher
- 22.7:1
- Resource Index
- 40/100
Similar high schools in Santa Rosa
5 comparable high schools (grades 9-12) serving the same city.
Santa Rosa High
Standard public school
1,553 students 17.6:1 students per teacher
Piner High
Standard public school
1,434 students 21.4:1 students per teacher
Montgomery High
Standard public school
1,253 students 16.3:1 students per teacher
Elsie Allen High
Standard public school
1,029 students 17.7:1 students per teacher
Ridgway High (Continuation)
Alternative education program
252 students 14.8:1 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 (~1,584 students)
Similar student-teacher ratio (~23.3:1)
Next steps
Verify locally before acting on Maria Carrillo High's federal record.
- Compare Maria Carrillo High against another school. Compare schools
- Santa Rosa High'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 Maria Carrillo High
How many students attend Maria Carrillo High?
Maria Carrillo High has 1,584 students enrolled. It is a high school in Santa Rosa, CA.
What is the student-teacher ratio at Maria Carrillo High?
The student-teacher ratio at Maria Carrillo High is 23.3:1, which is 8% higher than the California average of 21.5:1 and 48% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Maria Carrillo High?
19.5% of students at Maria Carrillo High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Maria Carrillo High?
The largest demographic group at Maria Carrillo High is White at 49.5% of enrollment, in Santa Rosa, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.3/100.
What is the Resource Investment Index for Maria Carrillo High?
Maria Carrillo High has a Resource Investment Index of 45/100 (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 Maria Carrillo High rank among high schools in Santa Rosa?
By Resource Investment Index, Maria Carrillo High ranks #3 of 6 high schools in Santa Rosa, 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 Santa Rosa on the city page.
Is Maria Carrillo High a good school?
Maria Carrillo High earns 45/100 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 Santa Rosa High?
Besides Maria Carrillo High, Santa Rosa High also operates Santa Rosa High (1,553 students), Piner High (1,434 students), and Montgomery High (1,253 students). See the Santa Rosa High 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.