Enrollment
812
California · 2024-25 NCES data
Middle school (grades 6-8) · Petaluma, CA
Kenilworth Junior High
Federal NCES profile for Kenilworth Junior High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 063025004718
👥 S:T ratio 14
🌟 Gifted program 70
🎓 Counselors 59
📋 Attendance 55
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Kenilworth Junior High earns 50/100 on the Resource Investment Index, with class sizes near the California median.
- #2 of 3
- middle schools in Petaluma · Resource Index
- 50
- Resource Index · Higher
- 21.4:1
- students per teacher
- 33.9%
- free-lunch eligible
Kenilworth Junior High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Kenilworth Junior High ranks #2 of 3 middle schools in Petaluma, CA.
School address
District: Petaluma Joint Union High · California
NCES ID 063025004718 Verify on NCES CCD record →
Teachers (FTE)
38.0
Federal CCD staff survey
Students per teacher
21.4:1
vs 21.5:1 California avg
-0% vs state
Free-lunch eligible
33.9%
vs 55.5% California avg
-39% vs state
Student-teacher ratio in context
How Kenilworth Junior High compares with California and U.S. medians
What stands out at Kenilworth Junior High
Kenilworth Junior High is a mid-sized middle school in Petaluma, California, enrolling 812 students.
At 21.4:1, 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 below the state's typical profile, with 33.9% of students eligible for free meals.
Enrollment of 812 puts it in the larger third of California schools by headcount.
Its Resource Investment Index outscores 92% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 1,155 similarly sized, similarly resourced-need California schools statewide, it ranks #29, a top-tier result once campus size and economic need are matched.
Its student body is led by White (49%) and Hispanic or Latino (42%) (diversity index 59/100).
Counselor coverage is strong, about 203 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 18.2% of students chronically absent per the 2021-22 civil-rights collection.
Among Petaluma's middle schools, it stands alongside Petaluma Junior High (454 students): Kenilworth Junior High is larger than that campus by headcount and runs heavier classes (21.4:1 vs 20.6:1).
Petaluma Joint Union High also operates Casa Grande High (1,653 students) and Petaluma High (1,193 students) alongside Kenilworth Junior 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 Kenilworth Junior High compares
Kenilworth Junior 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 | 21.4:1 | ▼ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 33.9% | ▼ 39% | 55.5% | 51.7% |
| Enrollment | 812 | top 17% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.4:1
Leaner classes than 12% of US schools, heavier class loads than most.
812
Bigger than 86% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
33.9%
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
21.4:1
students per teacher
- 0% below state mean
Top 47% in California - lower ratio than 53% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
18.2%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Support staff
Counselors4.0 FTE
Per 203 students, the combined health-and-guidance staffing load for this school.
Discipline context
53
in-school suspensions + 33 out-of-school
Suspension rate: 6.5 per 100 students. Combined in-school and out-of-school rate: 10.6 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 48.6%
Hispanic or Latino 41.6%
Two or More 5.7%
Asian 2.3%
African American 1.1%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 48.6% of enrollment.
Student-body diversity index 58.7/100
Simpson diversity index - at 58.7, Kenilworth Junior High is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
How Kenilworth Junior High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Casa Grande High | Larger | Similar economic need | Similar S:T ratio |
| Petaluma High | Larger | Similar economic need | Similar S:T ratio |
| Mary Collins Charter School at Cherry Valley | Smaller | Lower economic need | Higher S:T ratio |
| Petaluma Junior High | Smaller | Similar economic need | Similar S:T ratio |
| Petaluma Accelerated Charter | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to Kenilworth Junior High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,653
- Students per teacher
- 21.8:1
- Resource Index
- 32/100
- Enrollment
- 1,193
- Students per teacher
- 20.9:1
- Resource Index
- 44/100
- Enrollment
- 494
- Students per teacher
- 29.1:1
- Resource Index
- 37/100
- Enrollment
- 454
- Students per teacher
- 20.6:1
- Resource Index
- 42/100
- Enrollment
- 115
- Students per teacher
- 28.8:1
- Resource Index
- 51/100
Similar middle schools in Petaluma
2 comparable middle schools (grades 6-8) serving the same city.
Similar middle 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 (~812 students)
Similar student-teacher ratio (~21.4:1)
Next steps
Verify locally before acting on Kenilworth Junior High's federal record.
- Compare Kenilworth Junior High against another school. Compare schools
- Petaluma Joint Union 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 Kenilworth Junior High
How many students attend Kenilworth Junior High?
Kenilworth Junior High has 812 students enrolled. It is a middle school in Petaluma, CA.
What is the student-teacher ratio at Kenilworth Junior High?
The student-teacher ratio at Kenilworth Junior High is 21.4:1, which is 0% lower than the California average of 21.5:1 and 36% 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 Kenilworth Junior High?
33.9% of students at Kenilworth Junior High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Kenilworth Junior High?
The largest demographic group at Kenilworth Junior High is White at 48.6% of enrollment, in Petaluma, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.7/100.
What is the Resource Investment Index for Kenilworth Junior High?
Kenilworth Junior High has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Kenilworth Junior High rank among middle schools in Petaluma?
By Resource Investment Index, Kenilworth Junior High ranks #2 of 3 middle schools in Petaluma, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Petaluma on the city page.
Is Kenilworth Junior High a good school?
Kenilworth Junior High earns 50/100 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 Petaluma Joint Union High?
Besides Kenilworth Junior High, Petaluma Joint Union High also operates Casa Grande High (1,653 students), Petaluma High (1,193 students), and Mary Collins Charter School at Cherry Valley (494 students). See the Petaluma Joint Union 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.