For the 2026 school year, there are 19 public high schools serving 3,006 students in Lake County, CA.
The top-ranked public high schools in Lake County, CA are Natural High (Continuation School), Clover Valley High (Continuation School) and Education Donaldson Education Center. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Lake County, CA public high schools have an average math proficiency score of 9% (versus the California public high school average of 28%), and reading proficiency score of 30% (versus the 51% statewide average). High schools in Lake County have an average ranking of 1/10, which is in the bottom 50% of California public high schools.
Lake County, CA public high school have a Graduation Rate of 82%, which is less than the California average of 86%.
The school with highest graduation rate is Clear Lake High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 56% of the student body (majority Hispanic), which is less than the California public high school average of 79% (majority Hispanic).
Best Public High Schools in Lake County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Natural High (Continuation School)
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
2508 Howard Ave.
Lakeport, CA 95453
(707) 262-3013
Lakeport, CA 95453
(707) 262-3013
Gr: 9-12 | 25 students Student-teacher ratio: 25:1 Minority enrollment: 59%
Rank: #2 - 52. - 5.
Clover Valley High (Continuation School)
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
682 Clover Valley Rd.
Upper Lake, CA 95485
(707) 275-0840
Upper Lake, CA 95485
(707) 275-0840
Gr: 9-12 | 14 students Student-teacher ratio: 14:1 Minority enrollment: 43%
Rank: #2 - 52. - 5.
Education Donaldson Education Center
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
4500 Konocti Rd.
Kelseyville, CA 95451
(707) 279-8414
Kelseyville, CA 95451
(707) 279-8414
Gr: 9-12 | 26 students Student-teacher ratio: 26:1 Minority enrollment: 69%
Rank: #2 - 52. - 5.
Lloyd Hance Community
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
1510 Argonaut Rd.
Lakeport, CA 95453
(707) 262-4167
Lakeport, CA 95453
(707) 262-4167
Gr: 7-12 | 21 students Student-teacher ratio: 21:1 Minority enrollment: 52%
Rank: #2 - 52. - 5.
Loconoma Valley High School
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
20932 Big Canyon Rd.
Middletown, CA 95461
(707) 987-4170
Middletown, CA 95461
(707) 987-4170
Gr: 10-12 | 10 students Student-teacher ratio: 10:1 Minority enrollment: 30%
Rank: #66.
Clearlake Creativity
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
6945 Old Highway 53
Clearlake, CA 95422
(707) 995-9523
Clearlake, CA 95422
(707) 995-9523
Gr: K-12 | 19 students Student-teacher ratio: 6:1 Minority enrollment: 26%
Rank: #77.
Kelseyville Community Day
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
3980 Gard St.
Kelseyville, CA 95451
(707) 279-2410
Kelseyville, CA 95451
(707) 279-2410
Gr: 6-12 | 6 students Student-teacher ratio: 6:1 Minority enrollment: 83%
Rank: #88.
Lakeport Community Day
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
2508 Howard Ave.
Lakeport, CA 95453
(707) 262-3013
Lakeport, CA 95453
(707) 262-3013
Gr: 6-10
Rank: #99.
Clear Lake High School
(Math: 10-14% | Reading: 60-64%)
Rank:
Rank:
5/
Bottom 50%10
350 Lange St.
Lakeport, CA 95453
(707) 262-3010
Lakeport, CA 95453
(707) 262-3010
Gr: 9-12 | 335 students Student-teacher ratio: 16:1 Minority enrollment: 60%
Rank: #1010.
Carle (William C.) High (continuation School)
Alternative School
(Math: ≤20% | Reading: <50%)
Rank:
Rank:
5/
Bottom 50%10
9345 Winchester St.
Lower Lake, CA 95457
(707) 994-1033
Lower Lake, CA 95457
(707) 994-1033
Gr: 9-12 | 85 students Student-teacher ratio: 14:1 Minority enrollment: 65%
Rank: #1111.
Kelseyville Learning Academy
Alternative School
(Math: 11-19% | Reading: 30-39%)
Rank:
Rank:
3/
Bottom 50%10
4410 Konocti Rd.
Kelseyville, CA 95451
(707) 279-4305
Kelseyville, CA 95451
(707) 279-4305
Gr: K-12 | 36 students Student-teacher ratio: 18:1 Minority enrollment: 45%
Rank: #1212.
Upper Lake High School
(Math: 6-9% | Reading: 40-44%)
Rank:
Rank:
3/
Bottom 50%10
675 Clover Valley Rd.
Upper Lake, CA 95485
(707) 275-2338
Upper Lake, CA 95485
(707) 275-2338
Gr: 9-12 | 307 students Student-teacher ratio: 18:1 Minority enrollment: 49%
Rank: #1313.
Kelseyville High School
(Math: 10-14% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
5480 Main St.
Kelseyville, CA 95451
(707) 279-4923
Kelseyville, CA 95451
(707) 279-4923
Gr: 9-12 | 515 students Student-teacher ratio: 18:1 Minority enrollment: 59%
Rank: #1414.
Middletown High School
(Math: 6-9% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
20932 Big Canyon Rd.
Middletown, CA 95461
(707) 987-4140
Middletown, CA 95461
(707) 987-4140
Gr: 9-12 | 421 students Student-teacher ratio: 18:1 Minority enrollment: 41%
Rank: #1515.
Lakeport Alternative (Home School)
Alternative School
(Math: 6-9% | Reading: 30-39%)
Rank:
Rank:
2/
Bottom 50%10
2508 Howard Ave.
Lakeport, CA 95453
(707) 262-3013
Lakeport, CA 95453
(707) 262-3013
Gr: K-12 | 101 students Student-teacher ratio: 17:1 Minority enrollment: 57%
Rank: #1616.
Richard H. Lewis Alternative
Alternative School
(Math: ≤10% | Reading: 15-19%)
Rank:
Rank:
1/
Bottom 50%10
15880 Dam Rd. Ext
Lower Lake, CA 95457
(707) 701-0264
Lower Lake, CA 95457
(707) 701-0264
Gr: K-12 | 118 students Student-teacher ratio: 20:1 Minority enrollment: 46%
Rank: #1717.
Lower Lake High School
(Math: 2% | Reading: 16%)
Rank:
Rank:
1/
Bottom 50%10
9430 A Lake St.
Lower Lake, CA 95457
(707) 994-6471
Lower Lake, CA 95457
(707) 994-6471
Gr: 9-12 | 966 students Student-teacher ratio: 21:1 Minority enrollment: 70%
Rank: n/an/a
Blue Heron
Alternative School
15850-a Dam Road Ext.
Lower Lake, CA 95457
(707) 994-1033
Lower Lake, CA 95457
(707) 994-1033
Gr: 6-11 | 3 students Student-teacher ratio: 3:1
Rank: n/an/a
Upper Lake Community Day
Alternative School
675 Clover Valley Rd.
Upper Lake, CA 95485
(707) 275-0840
Upper Lake, CA 95485
(707) 275-0840
Gr: 9-12
Frequently Asked Questions
What are the top-ranked public high schools in Lake County, CA?
The top-ranked public high schools in Lake County, CA include Natural High (Continuation School), Clover Valley High (Continuation School) and Education Donaldson Education Center.
How many public high schools are located in Lake County?
20 public high schools are located in Lake County.
What is the racial composition of students in Lake County?
Lake County public high schools minority enrollment is 56% of the student body (majority Hispanic), which is less than the California public high schools average of 79% (majority Hispanic).
Which public high schools in Lake County are often viewed compared to one another?
Popular comparisons of public high schools in Lake County include: Upper Lake High School vs. Kelseyville High School, Clear Lake High School vs. Kelseyville High School, Lloyd Hance Community vs. Lakeport Community Day
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