- Enrollment
- 27
- Students per teacher
- 9:1
- Resource Index
- 52/100
High school (grades 9-12) · Petrolia, CA
Mattole Triple Junction High
Federal NCES profile for Mattole Triple Junction High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 74/100.
The verdict
Mattole Triple Junction High earns 74/100 on the Resource Investment Index, with class sizes smaller than 99% of California schools. It is also one of the smallest schools in California.
- 74
- Resource Index · Higher
- 2:1
- small classes for California
- 2
- students enrolled
Mattole Triple Junction High has class sizes smaller than 99% of California schools. Computed live against every California school reporting to NCES.
School address
NCES ID 060003801994 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-5 students YoY
Mattole Triple Junction High shrank from 8 students in 2022-23 to 3 in 2023-24 (-62.5%).
Teacher FTE added 1.6 → 2.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-5 students YoY 060003801994 · Petrolia, CA High · SMALL · TRAD
2 enr · 2:1 · RII 74
Nearest enrollment peer: Mattole Elementary (27 students)
Mattole Triple Junction High shrank from 8 students in 2022-23 to 3 in 2023-24 (-62.5%). Teacher FTE added 1.6 → 2.3 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Mattole Triple Junction High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Mattole Elemen
Mattole Elementary
27 students
- Honeydew Eleme
Honeydew Elementary
13 students
- This school 2
Mattole Triple Junction High
2 students
What this shows Mattole Triple Junction High reports 2 students on the CCD universe file.
How Mattole Triple Junction High compares
Mattole Triple Junction High is a shrinking campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 2:1 | ▼ 91% | 21.5:1 | 15.7:1 |
| Enrollment | 2 | top 100% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: Hispanic or Latino at 50.0% of enrollment.
Simpson diversity index - at 50.0, Mattole Triple Junction High is more mixed than the California school average of 46.0.
Programs
District finance for Mattole Unified reports $37,765 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mattole Triple Junction High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mattole Elementary | Larger | No free-lunch data | Higher S:T ratio |
| Honeydew Elementary | Larger | No free-lunch data | No ratio data |
Comparisons are relative to Mattole Triple Junction High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 13
- Students per teacher
- -
- Resource Index
- 46/100
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 (~2 students)
Frequently asked questions about Mattole Triple Junction High
How many students attend Mattole Triple Junction High?
Mattole Triple Junction High has 2 students enrolled. It is a high school in Petrolia, CA. CCD year-over-year: 8 (2022-23) → 3 (2023-24), down 5.
What is the student-teacher ratio at Mattole Triple Junction High?
The student-teacher ratio at Mattole Triple Junction High is 2:1, which is 91% lower than the California average of 21.5:1 and 87% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Mattole Triple Junction High?
The largest demographic group at Mattole Triple Junction High is Hispanic or Latino at 50.0% of enrollment, in Petrolia, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.0/100.
What is the Resource Investment Index for Mattole Triple Junction High?
Mattole Triple Junction High has a Resource Investment Index of 74/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
What other schools are in Mattole Unified?
Besides Mattole Triple Junction High, Mattole Unified also operates Mattole Elementary (27 students) and Honeydew Elementary (13 students). See the Mattole Unified district page for the complete list.