Lassen High
High Schools (Public)Grades 9–12Active
1110 Main Street, Susanville, CA 96130-4421
(530) 257-2141
Overall Score (2024-25)
↓ 0.9 ptsvs 2023-2451
out of 100
AverageTop 49% statewideData completeness: 100%
Academic Achievement48
CA avg
Academic Growth55
CA avg
Equity71
CA avg
School Climate51
CA avg
College/Career Readiness30
CA avg
Score reflects percentile ranking among same-type schools. How is this calculated?
Test Scores (2024-25)
Percentage of students meeting or exceeding standards on CAASPP/CAST.
English Language Arts51.3%
CA avg 48.8%
Mathematics17.0%
CA avg 34.6%
Science / CAST (2024-25)23.0%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 11 | 51.3% | 17.0% | 23.2% | 197 |
Enrollment & Demographics (2024-25)
816
Total Students
34.2%
Free/Reduced Lunch
3.3%
English Learners
Staff (2024-25)
20.3:1
Pupil-Teacher Ratio
Graduation Rates (2024-25)
↓ 3.5%91.3%
Graduation Rate
16.8%
Met UC/CSU Reqs
5.5%
Dropout Rate
Chronic Absenteeism (2024-25)
↓ 2.0%22.5%
Chronically Absent
841
Students Tracked
Historical Trends
Year-over-year performance data from official CDE records.
Composite Score
ELA Proficiency %
Math Proficiency %
Science / CAST %
Graduation Rate %
Chronic Absenteeism Rate %
Total Enrollment
Parent & Community Reviews
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Data sourced from the California Department of Education. CDS Code: 18641391833805. Academic Year: 2023-24 – 2024-25.