Enrollment
19
California · 2024-25 NCES data
High school (grades 9-12) · Petaluma, CA
Carpe Diem High (Continuation)
Federal NCES profile for Carpe Diem High (Continuation), including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063025001786
👥 S:T ratio 62
📚 AP courses 10
🌟 Gifted program 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Carpe Diem High (Continuation) earns 47/100 on the Resource Investment Index, with class sizes smaller than 96% of California schools. It is also one of the smallest schools in California.
- #2 of 5
- high schools in Petaluma · Resource Index
- 47
- Resource Index · Typical
- 9.5:1
- small classes for California
- 45.2%
- free-lunch eligible
Carpe Diem High (Continuation) has class sizes smaller than 96% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Carpe Diem High (Continuation) ranks #2 of 5 high schools in Petaluma, CA.
School address
District: Petaluma Joint Union High · California
NCES ID 063025001786 Verify on NCES CCD record →
Teachers (FTE)
2.0
Federal CCD staff survey
Students per teacher
9.5:1
vs 21.5:1 California avg
-56% vs state
Free-lunch eligible
45.2%
vs 55.5% California avg
-19% vs state
Student-teacher ratio in context
How Carpe Diem High (Continuation) compares with California and U.S. medians
What stands out at Carpe Diem High (Continuation)
Carpe Diem High (Continuation) is a small high school in Petaluma, California, enrolling 19 students.
Classes run notably small here: at 9.5:1, Carpe Diem High (Continuation) is leaner than roughly 96% of California schools and 56% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 45.2% of students eligible for free meals.
This is a small campus: fewer students than 97% of California schools, with 19 enrolled.
Its Resource Investment Index outscores 98% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 60 similarly sized, similarly resourced-need California schools statewide, it ranks #4, a top-tier result once campus size and economic need are matched.
Its student body is predominantly White (82% of enrollment) (diversity index 30/100).
No Advanced Placement courses are reported for this campus in the federal data.
Among Petaluma's high schools, it stands alongside Casa Grande High (1,653 students): Carpe Diem High (Continuation) is smaller than that campus by headcount and runs leaner classes (9.5:1 vs 21.8:1).
Petaluma Joint Union High also operates Casa Grande High (1,653 students) and Petaluma High (1,193 students) alongside Carpe Diem High (Continuation).
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 Carpe Diem High (Continuation) compares
Carpe Diem High (Continuation) on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.5:1 | ▼ 56% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 45.2% | ▼ 19% | 55.5% | 51.7% |
| Enrollment | 19 | top 97% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.5:1
Leaner classes than 91% of US schools, among the more generously staffed nationally.
19
Bigger than 3% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
45.2%
free-lunch eligible
- 19% 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
9.5:1
students per teacher
- 56% below state mean
Top 4% in California - lower ratio than 96% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
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.
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 82.4%
Hispanic or Latino 11.8%
Native Hawaiian / Pacific Islander 5.9%
Largest group: White at 82.4% of enrollment.
Student-body diversity index 30.4/100
Simpson diversity index - at 30.4, Carpe Diem High (Continuation) is less mixed than the California school average of 46.0.
Programs
AP program Not offered
Gifted & talented Yes
How Carpe Diem High (Continuation) Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Casa Grande High | Larger | Lower economic need | Higher S:T ratio |
| Petaluma High | Larger | Lower economic need | Higher S:T ratio |
| Kenilworth Junior High | Larger | Lower economic need | Higher 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 | Higher S:T ratio |
Comparisons are relative to Carpe Diem High (Continuation)'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
- 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
Sonoma Mountain High (Continuation)
Alternative education program
21 students 21:1 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 (~19 students)
Similar student-teacher ratio (~9.5:1)
Next steps
Verify locally before acting on Carpe Diem High (Continuation)'s federal record.
- Compare Carpe Diem High (Continuation) 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 Carpe Diem High (Continuation)
How many students attend Carpe Diem High (Continuation)?
Carpe Diem High (Continuation) has 19 students enrolled. It is a high school in Petaluma, CA.
What is the student-teacher ratio at Carpe Diem High (Continuation)?
The student-teacher ratio at Carpe Diem High (Continuation) is 9.5:1, which is 56% lower than the California average of 21.5:1 and 39% 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 Carpe Diem High (Continuation)?
45.2% of students at Carpe Diem High (Continuation) are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Carpe Diem High (Continuation)?
The largest demographic group at Carpe Diem High (Continuation) is White at 82.4% of enrollment, in Petaluma, CA.
What is the Resource Investment Index for Carpe Diem High (Continuation)?
Carpe Diem High (Continuation) has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Carpe Diem High (Continuation) rank among high schools in Petaluma?
By Resource Investment Index, Carpe Diem High (Continuation) ranks #2 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.
Is Carpe Diem High (Continuation) a good school?
Carpe Diem High (Continuation) earns 47/100 on the Resource Investment Index, with class sizes smaller than 96% of California schools. It is also one of the smallest schools in California. 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 Carpe Diem 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.
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.