Mattole Triple Junction High

Petrolia · CA · Mattole Unified · Public


At a glance

Programs & features
  • 1 AP courses offered — Limited
Academic signals
  • AP rigor: Bottom 14% of US high schools
  • SAT/ACT participation: Bottom 6% by test-taker volume

Composed from federal CRDC offerings, and other public data. Full breakdowns below.

You've seen Mattole Triple Junction High. What are your child's real college odds? Check any college in 10 seconds — no email needed — then get the free Family Decision Report: Reach / Competitive / Match / Likely + the real cost range for every college on their list. Check odds →

How Mattole Triple Junction High compares for families

What families should know about Mattole Triple Junction High.

  • LocallyCA trails the US average on NAEP 8th-grade math (−4 points). Stronger local schools matter even more.
  • vs Similar SchoolsThe closest comparables nearby: Agnes J. Johnson Charter, R.I.S.E. Academy, Trinity River Community Day and 5 more. See the sidebar to compare side-by-side.

For Parents

Get alerts when Mattole Triple Junction High's numbers change

New admissions results, enrollment shifts, test scores — a few alerts a year, no spam. Your email also saves your list across devices.

Objective, government-grade data — no school pays us for placement.

Academic rigor

AP + advanced-course offerings

Limited — narrow advanced curriculum

Bottom 14% of US high schools

50th 90th ↑ this school
Less rigorMore rigorMost rigor
AP courses offered
1
Subject breadth not reported
Students taking AP courses
2
≈100 per 100 students · uptake, not just offerings
Other rigor signals
No dual-enrollment or gifted program reported

Source: federal Civil Rights Data Collection (CRDC 2020-21). CRDC reports what's offered + enrolled — it doesn't collect AP exam pass rates (College Board owns that data and doesn't release it school-level).

SAT / ACT participation

CRDC federal data · 2020-21

Bottom 6% by test-taker volume

50th 90th
SAT/ACT test-takers
3
11th-12th graders who took 1+ college admissions test
Test-taking intensity
Essentially all eligible
Senior-heavy / specialty program — takers exceed grade 9-12 enrollment
Compared against
18,426
US high schools reporting SAT/ACT participation

Source: federal Civil Rights Data Collection (CRDC 2020-21). Volume — not score — is what's reported here. A higher count means more students at this school are entering the college admissions pipeline. Note: 2020-21 was COVID-disrupted; some districts (especially those that stayed remote longer) report unusually low or zero takers.

Teacher workforce · federal CRDC

Teacher experience & reliability

% inexperienced teachers (1st-2nd yr)
0%
Strong: experienced corps. New teachers rotate through but most have ≥3 years in.
% chronic teacher absence (≥10 days/yr)
0.0%
Strong attendance culture among teachers.

Source: federal Civil Rights Data Collection (CRDC 2017-18 — the most recent vintage that publishes per-school teacher quality fields; the 2020-21 sweep had them suppressed). "Inexperienced" = teachers in their first or second year. "Chronic absence" = teachers absent 10+ days/year.

Enrollment trend & projection

Total enrollment + grade 12, NCES Common Core of Data (2021–2024).

Most similar nearby high schools

The schools most like this one — same type, blended on distance and size — and where their enrollment is heading. These are the schools families here weigh against each other.

SchoolTypeMilesHS enrollmentTrend
Agnes J. Johnson Charter
Weott
Public · charter 19.0 2
R.I.S.E. Academy
Weaverville
Public 75.9 2
Trinity River Community Day
Weaverville
Public 76.0 3
Mt. Lassic High (Continuation)
Mad River
Public 40.9 1
Centerville High (Continuation)
Potter Valley
Public 93.3 1
Casterlin High
Blocksburg
Public 35.4 4
Whale Gulch High
Whitethorn
Public 28.5 7
Humboldt County ROP
Eureka
Public 33.9

Related reading

The data Newsom asked for already exists — school by school

UC testing review · August 25, 2026

Nursing at NYU is harder to get into than Brown

College admissions · August 21, 2026

All stories from the data →

For Parents

Researching colleges for your kid at Mattole Triple Junction High?

Check any college's odds in 10 seconds — no email needed — then get the free Family Decision Report: Reach / Competitive / Match / Likely with real admit odds and your real net price, for every college on their list.

Check your child's odds →
What are your child's odds? →

What families ask next