Obsidian Middle
🇺🇸 Official data · 2025Clearlake, California 95422 · Konocti Unified
#1001 of 1,334 middle schools in California
#13977 of 15,369 nationally
About Obsidian Middle
Obsidian Middle is a public middle located in Clearlake, in the Konocti Unified school district of California, United States. It caters for Grades 6–8. In 2025 it enrolled 590 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 18.8 out of 100, placing it in the lower 50% of middle schools in United States and 1001st of 1,334 ranked middle schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (27th percentile), and its weakest is students per teacher (6th percentile).
Other published figures: enrollment 590.
There are 3 schools in Clearlake; Obsidian Middle ranks 1st of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)–
- Reading proficiency (30%)–
- Community advantage (fewer free/reduced-price lunch) (25%)76.9%
- Students per teacher (15%)22.7
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Obsidian Middle by the official sources.
- Enrollment
- 590
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 76.9%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 22.7
- Enrollment divided by FTE teachers; not class size.
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Schools near Obsidian Middle
Closest schools by straight-line distance, with their Success Index (US).
Lower Lake Elementary
Lower Lake · Public elementary · Grades K–7
743 students · 2.0 km away
Lower Lake High
Lower Lake · Public high · Grades 9–12
966 students · 2.2 km away
Konocti Preschool
Lower Lake · Public other
· 2.2 km away
Burns Valley
Clearlake · Public elementary · Grades K–7
568 students · 3.8 km away
Pomo
Clearlake · Public elementary · Grades K–7
702 students · 4.9 km away
Riviera Elementary
Kelseyville · Public elementary · Grades K–5
287 students · 8.5 km away
East Lake
Clearlake Oaks · Public elementary · Grades K–7
195 students · 11 km away
Cobb Mountain Elementary
Cobb · Public elementary · Grades K–6
110 students · 15 km away
Similar schools
Public middle schools in California with a comparable Enrollment.
Anna McKenney Intermediate
Marysville · Public middle · Grades 6–8
590 students
Piedmont Middle
San Jose · Public middle · Grades 6–8
591 students
Redwood Middle
Thousand Oaks · Public middle · Grades 6–8
589 students
Thomas Jefferson Middle
Indio · Public middle · Grades 6–8
591 students
Hermosa Valley Elementary
Hermosa Beach · Public middle · Grades 5–8
589 students
Sierra Middle
Stockton · Public middle · Grades 7–8
591 students
Frequently asked questions
Is Obsidian Middle a good school?
Obsidian Middle has a Success Index (US) of 18.8 out of 100 (Lower 50% of middle schools in United States) and ranks #1001 of 1,334 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Obsidian Middle rank in California?
Obsidian Middle ranks #1001 of 1,334 middle schools in California and #13977 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Obsidian Middle?
Obsidian Middle had 590 students in 2025.
Is Obsidian Middle a elementary school or a high school?
Obsidian Middle is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Obsidian Middle?
There are 8 schools within 15 km of Obsidian Middle; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.