Mattole Triple Junction High School

29289 Chambers Rd.
Petrolia, CA 95558
(School attendance zone shown in map)
Mattole Triple Junction High School serves 8 students in grades 9-12. 
The student:teacher ratio of 4:1 is lower than the California state level of 22:1.
Minority enrollment is 38% of the student body (majority Hispanic), which is lower than the California state average of 79% (majority Hispanic).

Quick Stats (2024-25)

  • School Type: Magnet School
  • Grades: 9-12
  • Enrollment: 8 students
  • Student:Teacher Ratio: 4:1
  • Minority Enrollment: 38%
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Mattole Triple Junction High School ranks among the top 20% of public schools in California for:

School Overview

Mattole Triple Junction High School's student population of 8 students has declined by 33% over five school years.
The teacher population of 2 teachers has declined by 33% over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
8 students
This chart displays total students of Mattole Triple Junction High School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of Mattole Triple Junction High School
Total Classroom Teachers
2 teachers
This chart displays the total teachers of Mattole Triple Junction High School by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of Mattole Triple Junction High School by grade.

School Rankings

The diversity score of Mattole Triple Junction High School is 0.54, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
Student : Teacher Ratio
4:1
22:1
This chart displays the student teacher ratio of Mattole Triple Junction High School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.
American Indian
13%
1%
This chart displays the percentage of American Indian students in Mattole Triple Junction High School and percentage of American Indian public school students in California by year, with the latest 2022-23 school year data.
Asian
n/a
12%
This chart displays the percentage of Asian students in Mattole Triple Junction High School and the percentage of Asian public school students in California by year, with the latest 2008-09 school year data.
Hispanic
25%
55%
This chart displays the percentage of Hispanic students in Mattole Triple Junction High School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
Black
n/a
5%
This chart displays the percentage of Black students in Mattole Triple Junction High School and the percentage of Black public school students in California by year, with the latest 2004-05 school year data.
White
62%
21%
This chart displays the percentage of White students in Mattole Triple Junction High School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
Hawaiian
n/a
n/a
Two or more races
n/a
6%
This chart displays the percentage of students of two or more races in Mattole Triple Junction High School and the percentage of public school students of two or more races in California by year, with the latest 2020-21 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in Mattole Triple Junction High School.
This chart displays the percentage breakdown of public school students of all ethnic groups in California.
0.54
This chart displays the diversity score of Mattole Triple Junction High School and the public school average diversity score of California by year, with the latest 2022-23 school year data.
Eligible for Free Lunch
38%
51%
This chart displays the percentage of students who is eligible for free lunch in Mattole Triple Junction High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch (19-20)
8%
7%
This chart displays the percentage of students who is eligible for reduced lunch in Mattole Triple Junction High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2019-20 school year data.
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

How many students attend Mattole Triple Junction High School?
8 students attend Mattole Triple Junction High School.
What is the racial composition of the student body?
62% of Mattole Triple Junction High School students are White, 25% of students are Hispanic, and 13% of students are American Indian.
What is the student:teacher ratio of Mattole Triple Junction High School?
Mattole Triple Junction High School has a student ration of 4:1, which is lower than the California state average of 22:1.
What grades does Mattole Triple Junction High School offer ?
Mattole Triple Junction High School offers enrollment in grades 9-12
What school district is Mattole Triple Junction High School part of?
Mattole Triple Junction High School is part of Mattole Unified School District.

School Reviews

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Quick Stats (2024-25)

  • School Type: Magnet School
  • Grades: 9-12
  • Enrollment: 8 students
  • Student:Teacher Ratio: 4:1
  • Minority Enrollment: 38%
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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