- Enrollment
- 1,653
- Students per teacher
- 21.8:1
- Resource Index
- 32/100
High school (grades 9-12) · Petaluma, CA
Sonoma Mountain High (Continuation)
Federal NCES profile for Sonoma Mountain High (Continuation), including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063025001788
👥 S:T ratio 16
🌟 Gifted program 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sonoma Mountain High (Continuation) earns 23/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the smallest schools in California.
- #5 of 5
- high schools in Petaluma · Resource Index
- 23
- Resource Index · Lower
- 21:1
- students per teacher
- 52.2%
- free-lunch eligible
Sonoma Mountain High (Continuation) has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Sonoma Mountain High (Continuation) ranks #5 of 5 high schools in Petaluma, CA.
School address
District: Petaluma Joint Union High · California
NCES ID 063025001788 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+1 students YoY
Sonoma Mountain High (Continuation) held near 24 students from 2022-23 to 2023-24 (+1 headcount).
Teacher FTE held 2.0 → 2.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+1 students YoY 063025001788 · Petaluma, CA High · SMALL · TRAD
21 enr · 21:1 · 52.2% lunch · RII 23
Nearest enrollment peer: Casa Grande High (1,653 students)
Sonoma Mountain High (Continuation) held near 24 students from 2022-23 to 2023-24 (+1 headcount). Teacher FTE held 2.0 → 2.2 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Sonoma Mountain High (Continuation) in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Casa Grande Hi
Casa Grande High
1,653 students
- Petaluma High
Petaluma High
1,193 students
- Kenilworth Jun
Kenilworth Junior High
812 students
- Mary Collins C 494
Mary Collins Charter School at Cherry Valley
494 students
- Petaluma Junio 454
Petaluma Junior High
454 students
- This school 21
Sonoma Mountain High (Continuation)
21 students
What this shows Sonoma Mountain High (Continuation) reports 21 students on the CCD universe file.
How Sonoma Mountain High (Continuation) compares
Sonoma Mountain High (Continuation) held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21:1 | ▼ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 52.2% | ▼ 6% | 55.5% | 51.7% |
| Enrollment | 21 | top 97% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21:1
Leaner classes than 13% of US schools, heavier class loads than most.
21
Bigger than 3% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
52.2%
free-lunch eligible
- 6% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
21:1
students per teacher
- 2% below state mean
Top 43% in California - lower ratio than 57% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 76.2%
Hispanic or Latino 19.0%
Two or More 4.8%
Largest group: White at 76.2% of enrollment.
Student-body diversity index 38.1/100
Simpson diversity index - at 38.1, Sonoma Mountain High (Continuation) is less mixed than the California school average of 46.0.
Programs
AP program Not offered
How Sonoma Mountain High (Continuation) Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Casa Grande High | Larger | Lower economic need | Similar S:T ratio |
| Petaluma High | Larger | Lower economic need | Similar S:T ratio |
| Kenilworth Junior High | Larger | Lower economic need | Similar S:T ratio |
| Mary Collins Charter School at Cherry Valley | Larger | Lower economic need | Higher S:T ratio |
| Petaluma Junior High | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Sonoma Mountain High (Continuation)'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,193
- Students per teacher
- 20.9:1
- Resource Index
- 44/100
- Enrollment
- 812
- Students per teacher
- 21.4:1
- Resource Index
- 50/100
- Enrollment
- 494
- Students per teacher
- 29.1:1
- Resource Index
- 37/100
- Enrollment
- 454
- Students per teacher
- 20.6:1
- Resource Index
- 42/100
Similar high schools in Petaluma
4 comparable high schools (grades 9-12) serving the same city.
Casa Grande High
Standard public school
1,653 students 21.8:1 students per teacher
Petaluma High
Standard public school
1,193 students 20.9:1 students per teacher
San Antonio High (Continuation)
Alternative education program
65 students 10.8:1 students per teacher
Carpe Diem High (Continuation)
Alternative education program
19 students 9.5:1 students per teacher
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~21 students)
Frequently asked questions about Sonoma Mountain High (Continuation)
How many students attend Sonoma Mountain High (Continuation)?
Sonoma Mountain High (Continuation) has 21 students enrolled. It is a high school in Petaluma, CA. CCD year-over-year: 23 (2022-23) → 24 (2023-24), nearly flat (+1).
What is the student-teacher ratio at Sonoma Mountain High (Continuation)?
The student-teacher ratio at Sonoma Mountain High (Continuation) is 21:1, which is 2% lower than the California average of 21.5:1 and 34% 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 Sonoma Mountain High (Continuation)?
52.2% of students at Sonoma Mountain High (Continuation) are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Sonoma Mountain High (Continuation)?
The largest demographic group at Sonoma Mountain High (Continuation) is White at 76.2% of enrollment, in Petaluma, CA.
What is the Resource Investment Index for Sonoma Mountain High (Continuation)?
Sonoma Mountain High (Continuation) has a Resource Investment Index of 23/100 (lower reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, gifted-program reporting. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Sonoma Mountain High (Continuation) rank among high schools in Petaluma?
By Resource Investment Index, Sonoma Mountain High (Continuation) ranks #5 of 5 high 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 high schools in Petaluma on the city page.
What other schools are in Petaluma Joint Union High?
Besides Sonoma Mountain High (Continuation), Petaluma Joint Union High also operates Casa Grande High (1,653 students), Petaluma High (1,193 students), and Kenilworth Junior High (812 students). See the Petaluma Joint Union High district page for the complete list.