At a glance
Reported students
590
NCES CCD 2024–25
Teachers (FTE)
26.3
NCES CCD 2024–25
Student–teacher ratio
22.4:1
Calculated; not a class-size measure
Grades served
06–08
NCES preliminary directory 2025–26
School benchmarks
California middle enrollment
43rd percentile
Compared with 1,370 same-level schools reporting enrollment.
District median enrollment
381.5
Obsidian Middle: 590 reported students.
State peer staffing position
70th percentile
22.4:1 reported; state peer median 21:1. Ratio is not class size.
What the reported data says about Obsidian Middle
Obsidian Middle is a public middle school serving grades 06–08 in Clearlake. It is one of 11 current school records connected to Konocti Unified. NCES reports 590 students for 2024–25.
Among 1,370 middle schools in California with comparable records, this school is close in size to the reported median of 646 students. Its enrollment is at approximately the 43rd percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 22.4:1, close to the California median of 21:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are Hispanic or Latino (52.7%) and White (34.9%). These figures help families understand who the school serves; they are not rating inputs.
Questions worth asking Obsidian Middle
- 1How do the reported 22.4:1 student–teacher ratio and 26.3 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3How many counselors, nurses, psychologists, and social workers currently serve students?
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Enrollment needs
- Free/reduced-price lunch
- 76.9%
- Lunch program
- Yes under Community Eligibility Option (CEO)
Student demographics
Race and ethnicity share of reported enrollment
- White34.9%
- Hispanic52.7%
- Black2.9%
- Asian0.5%
- American Indian / Alaska Native2.2%
- Native Hawaiian / Pacific Islander0%
- Multiracial6.8%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Other schools in Konocti Unified
Start with campuses at the same school level or with similar reported enrollment.
Burns Valley
Elementary · Grades KG–06
568 reported students
Pomo
Elementary · Grades KG–06
702 reported students
Lower Lake Elementary
Elementary · Grades KG–06
743 reported students
Lower Lake High
High · Grades 08–12
966 reported students
East Lake
Elementary · Grades KG–06
195 reported students
Richard H. Lewis Alternative
Other · Grades KG–12
118 reported students