Serving 154 students in grades Kindergarten-12, Mt. Lassen Charter 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 20-24% (which is lower than the California state average of 47%).
The student-teacher ratio of 19:1 is lower than the California state level of 21:1.
Minority enrollment is 34% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 154 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 34%
- Graduation Rate: ≥50% (Btm 50% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 20-24% (Btm 50%)
- Science Proficiency: 21-39% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Mt. Lassen Charter's student population of 154 students has grown by 25% over five school years.
The teacher population of 8 teachers has grown by 33% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
Total Students
154 students
Total Classroom Teachers
8 teachers
School Calendar
School Rankings
Mt. Lassen Charter 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 Mt. Lassen Charter is 0.52, 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
#8456 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
10-14%
34%
Reading/Language Arts Test Scores (% Proficient)
20-24%
47%
Science Test Scores (% Proficient)
21-39%
29%
Student-Teacher Ratio
19:1
21:1
American Indian
2%
1%
Asian
n/a
12%
Hispanic
18%
56%
Black
1%
5%
White
66%
20%
Hawaiian
n/a
n/a
Two or more races
13%
6%
All Ethnic Groups
Graduation Rate
≥50%
87%
Chronically Absent Students
(22-23)23.4%
27.7%
Eligible for Free Lunch
57%
54%
Eligible for Reduced Lunch
13%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Mt. Lassen Charter's ranking?
Mt. Lassen Charter is ranked #8456 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Mt. Lassen Charter often compared to?
Mt. Lassen Charteris often viewed alongside schools like Lassen High School, Herlong 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 20-24% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Mt. Lassen Charter?
The graduation rate of Mt. Lassen Charter is 50%, which is lower than the California state average of 87%.
How many students attend Mt. Lassen Charter?
154 students attend Mt. Lassen Charter.
What is the racial composition of the student body?
66% of Mt. Lassen Charter students are White, 18% of students are Hispanic, 13% of students are Two or more races, 2% of students are American Indian, and 1% of students are Black.
What is the student-teacher ratio of Mt. Lassen Charter?
Mt. Lassen Charter has a student ration of 19:1, which is lower than the California state average of 21:1.
What grades does Mt. Lassen Charter offer ?
Mt. Lassen Charter offers enrollment in grades Kindergarten-12
What school district is Mt. Lassen Charter part of?
Mt. Lassen Charter is part of Fort Sage Unified School District.
School Reviews
Review Mt. Lassen Charter. 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
The School Choice Comparison Worksheet: 15 Factors Beyond Test Scores
Compare public schools with confidence using this 15-factor worksheet that looks beyond test scores to school culture, programs, safety, and student support.
Boundary Changes and Rezoning: How to Protect Your Child's School Plan
Learn why school boundary changes happen, how rezoning affects families, and the practical steps parents can take to protect their child's educational plan.
Teacher Turnover: How to Read the Warning Signs
Learn how to identify warning signs of teacher turnover, what causes frequent staff changes, and how parents can evaluate school stability.
