Enrollment
334
California · 2024-25 NCES data
2024-25 NCES data Middle school (grades 6-8) NCES 063720010436
Adele Harrison Middle — Sonoma, CA
Federal NCES profile for Adele Harrison Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 30/100.
👥 Class size 21
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 28
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
The verdict
Adele Harrison Middle earns an F Resource Investment Index (30/100), even as it posts class sizes smaller than 73% of California schools.
- F
- Resource Index · 30/100
- 19.7:1
- small classes for California
- 34.0%
- free-lunch eligible
- 334
- students enrolled
School address
District: Sonoma Valley Unified · California
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
19.7:1
vs 21.6:1 California avg
-9% vs state
Free-lunch eligible
34.0%
vs 55.5% California avg
-39% vs state
Student-teacher ratio in context
How Adele Harrison Middle compares with California and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Adele Harrison Middle reports 334 enrolled students to the National Center for Education Statistics (NCES) alongside 17.0 full-time-equivalent teachers, producing a 19.7:1 student-teacher ratio. That figure sits 9% below the California state mean of 21.6:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 24% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 34.0% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 39% below the California average and 34% below the national baseline. Counselor coverage works out to roughly 1670 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 29.0% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Sonoma Valley Unified spends $27,121 per pupil district-wide, above the California average of $18,039 and above the national average of $19,490. Revenue comes 74.2% from local sources (property taxes), 14.7% from the state, and 11.2% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 30/100 (F), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Adele Harrison Middle compares
Cross-validating school-level NCES values against California state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.7:1 | ▼ 9% | 21.6:1 | 15.9:1 |
| Free-lunch eligible | 34.0% | ▼ 39% | 55.5% | 51.8% |
| Enrollment | 334 | top 30% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Class size vs. every US school
Students per teacher (lower means more individual attention)
20 smaller classes than 17% of 92,598 US schools
Each bar is a band; taller bars hold more US schools. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Department of Education — NCES Common Core of Data · 2024-25
School size vs. every US school
Total enrollment — where this school sits by size (neither large nor small is 'better')
334 larger than 37% of 95,891 US schools
Each bar is a band; taller bars hold more US schools. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Department of Education — NCES Common Core of Data · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
34.0%
free-lunch eligible
— 39% below the California average of 55.5%
Below the 40% Title I threshold — federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
19.7:1
students per teacher
— 9% below state mean
Top 27% in California — lower ratio than 73% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
29.0%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$27,121
per pupil, district-wide
— above California avg of $18,039
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.2 FTE
Per 1670 students — the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 31 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 9.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
Enrollment 334 Top 30% in California — larger than 70% of 10,006 state schools
Teachers (FTE) 17.0
Students per teacher 19.7:1 -9% vs state
Free-lunch eligible 34.0% -39% vs state
NCES ID 063720010436
Student demographics
Hispanic or Latino 56.3%
White 40.4%
Asian 1.5%
Two or More 1.2%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 56.3% of enrollment.
Programs & staff
Gifted & talented Yes
Counselors (FTE) 0.2
Students per counselor 1670:1
Discipline & special education
Chronically absent 29.0%
In-school suspensions 0
Out-of-school suspensions 31
Expulsions 1
Funding & spending
District-wide per-pupil expenditure for Sonoma Valley Unified, which includes Adele Harrison Middle.
$27,121
Per student
+50%
vs California
Avg $18,039
+39%
vs U.S.
Avg $19,490
Revenue mix
Local 74.2%
State 14.7%
Federal 11.2%
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.
Other Schools in This District
- Enrollment
- 1,071
- Students per teacher
- 21.7:1
- Enrollment
- 368
- Students per teacher
- 24.3:1
- Enrollment
- 324
- Students per teacher
- 18.7:1
- Enrollment
- 314
- Students per teacher
- 21.4:1
- Enrollment
- 281
- Students per teacher
- 19.3:1
Similar middle schools in Sonoma
1 comparable middle schools (grades 6-8) serving the same city.
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Adele Harrison Middle
How many students attend Adele Harrison Middle?
Adele Harrison Middle has 334 students enrolled. It is a middle school in Sonoma, CA.
What is the student-teacher ratio at Adele Harrison Middle?
The student-teacher ratio at Adele Harrison Middle is 19.7:1, which is 9% lower than the California average of 21.6:1 and 24% higher than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Adele Harrison Middle?
34.0% of students at Adele Harrison Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Adele Harrison Middle?
The largest demographic group at Adele Harrison Middle is Hispanic or Latino at 56.3%. The school serves a diverse student body in Sonoma, CA.
What is the Resource Investment Index for Adele Harrison Middle?
Adele Harrison Middle has a Resource Investment Index of 30/100 (F) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.