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Obsidian Middle School

Obsidian Middle School is a public middle school in Clearlake, CA, serving grades 6–8, rated D-, with 590 students and a 22.4:1 student-teacher ratio.

In 2024-2025, the share of students meeting the state standard was 22% in English Language Arts, 8% in Science and 7% in Math.

D-TopHap school rating
Rating
D-
Grades
6–8
Enrollment
590
Students per teacher
22.4:1
Level
Middle
Type
Public · Regular

2024-2025 testing year

State test results

Share of students meeting or exceeding the state standard.

English Language Arts22%
Science8%
Math7%

Student body

Hispanic53%
White35%
Two or more races7%
Black3%
Native American2%
Asian1%
Male / female
53% / 47%
Free or reduced lunch
77%
Enrollment change vs prior year
0.0%

School details

Address
15850-A Dam Road Extention, Clearlake, CA 95422
Phone
(707) 994-6447
Website
konoctiusd.org
Setting
Town - Distant
Status
Operational
NCES ID
062007014694
Visit the school website

School district

Konocti Unified School District

District rating
D
Schools
11
Students
3,986
Spending per student
$14,756
Teachers (FTE)
173
Grades
K–12
See every school in Konocti Unified School District

Other schools in this district

Common questions

About Obsidian Middle School

How is Obsidian Middle School rated?

Obsidian Middle School holds a D- rating on TopHap's A-to-D scale, which blends state test results, academic progress and student outcomes. Konocti Unified School District is rated D overall.

How do students at Obsidian Middle School perform on state tests?

In the 2024-2025 testing year, the share of Obsidian Middle School students meeting or exceeding the state standard was 22% in English Language Arts, 8% in Science and 7% in Math.

What grades does Obsidian Middle School serve?

Obsidian Middle School serves grades 6–8 as a middle school.

How many students attend Obsidian Middle School?

590 students attend Obsidian Middle School, with a student-teacher ratio of 22.4:1.

Which school district is Obsidian Middle School in?

Obsidian Middle School is part of Konocti Unified School District, which reports 11 schools, 3,986 students and $14,756 of spending per student.