Obsidian Middle School serves 586 students in grades 6-8.
The student:teacher ratio of 29:1 is higher than the California state level of 21:1.
Minority enrollment is 68% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- Grades: 6-8
- Enrollment: 586 students
- Student:Teacher Ratio: 29:1
- Minority Enrollment: 68%
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Grades Offered
Grades 6-8
Total Students
586 students
Gender %
Total Classroom Teachers
20 teachers
School Rankings
The diversity score of Obsidian Middle School is 0.59, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Student : Teacher Ratio
29:1
21:1
American Indian
3%
1%
Asian
n/a
12%
Hispanic
55%
56%
Black
3%
5%
White
32%
20%
Hawaiian
n/a
n/a
Two or more races
7%
6%
All Ethnic Groups
Eligible for Free Lunch
76%
54%
Eligible for Reduced Lunch
4%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
How many students attend Obsidian Middle School?
586 students attend Obsidian Middle School.
What is the racial composition of the student body?
55% of Obsidian Middle School students are Hispanic, 32% of students are White, 7% of students are Two or more races, 3% of students are American Indian, and 3% of students are Black.
What is the student:teacher ratio of Obsidian Middle School?
Obsidian Middle School has a student ration of 29:1, which is higher than the California state average of 21:1.
What grades does Obsidian Middle School offer ?
Obsidian Middle School offers enrollment in grades 6-8
What school district is Obsidian Middle School part of?
Obsidian Middle School is part of Konocti Unified School District.
School Reviews
Review Obsidian Middle School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles

Is Your Public School Understaffed? Why Schools are Instituting Hiring Freezes
Learn about how the current budget constraints are prompting public schools to institute hiring freezes - and how this will impact your children.

43 Fantastic ESL Resources for Students
We've put together this ESL resource guide to help students, from teens to adults, get the help they need to achieve their goals with learning English

Segregation in K-12 Education: Colonial Era
Explore the origins of educational segregation during the colonial era and the differential treatment of Native American, African American, and white students. This article delves into the historical context, policies, and societal attitudes that shaped early education in colonial America, highlighting the disparities and injustices that persisted within the schooling systems of that time.