Serving 515 students in grades 9-12, Kelseyville High School ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 10-14% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 30-34% (which is lower than the California state average of 47%).
The student-teacher ratio of 18:1 is lower than the California state level of 21:1.
Minority enrollment is 59% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 515 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 59%
- Graduation Rate: 90-94% (Top 30% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 30-34% (Btm 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Kelseyville High School's student population of 515 students has declined by 6% over five school years.
The teacher population of 29 teachers has grown by 11% over five school years.
Grades Offered
Grades 9-12
Total Students
515 students
Total Classroom Teachers
29 teachers
School Calendar
School Motto
Truth and Honor
School Rankings
Kelseyville High School ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Kelseyville High School is 0.60, 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.
Overall Testing Rank
#7542 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
10-14%
34%
Reading/Language Arts Test Scores (% Proficient)
30-34%
47%
Science Test Scores (% Proficient)
10-14%
29%
Student-Teacher Ratio
18:1
21:1
American Indian
2%
1%
Asian
n/a
12%
Hispanic
48%
56%
Black
n/a
5%
White
41%
20%
Hawaiian
n/a
n/a
Two or more races
9%
6%
All Ethnic Groups
Graduation Rate
90-94%
87%
Eligible for Free Lunch
59%
54%
Eligible for Reduced Lunch
4%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Kelseyville High School's ranking?
Kelseyville High School is ranked #7542 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Kelseyville High School often compared to?
Kelseyville High Schoolis often viewed alongside schools like Clear Lake High School, Upper Lake High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 34% CA state average), while 30-34% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Kelseyville High School?
The graduation rate of Kelseyville High School is 90-94%, which is higher than the California state average of 87%.
How many students attend Kelseyville High School?
515 students attend Kelseyville High School.
What is the racial composition of the student body?
48% of Kelseyville High School students are Hispanic, 41% of students are White, 9% of students are Two or more races, and 2% of students are American Indian.
What is the student-teacher ratio of Kelseyville High School?
Kelseyville High School has a student ration of 18:1, which is lower than the California state average of 21:1.
What grades does Kelseyville High School offer ?
Kelseyville High School offers enrollment in grades 9-12
What school district is Kelseyville High School part of?
Kelseyville High School is part of Kelseyville Unified School District.
School Reviews
Review Kelseyville High 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
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
