Cosumnes Oaks High
High Schools (Public)Grades 9–12Active
8350 Lotz Parkway, Elk Grove, CA 95757
(916) 683-7670
Overall Score (2024-25)
↓ 0.5 ptsvs 2023-2469
out of 100
AverageTop 23% statewideData completeness: 100%
Academic Achievement80
CA avg
Academic Growth35
CA avg
Equity71
CA avg
School Climate79
CA avg
College/Career Readiness77
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 Arts65.8%
CA avg 48.8%
Mathematics42.5%
CA avg 34.6%
Science / CAST (2024-25)40.7%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 11 | 65.8% | 42.5% | 41.3% | 474 |
Enrollment & Demographics (2024-25)
2,109
Total Students
38.9%
Free/Reduced Lunch
4.8%
English Learners
Staff (2024-25)
21.2:1
Pupil-Teacher Ratio
Graduation Rates (2024-25)
↓ 2.1%96.5%
Graduation Rate
66.3%
Met UC/CSU Reqs
2.4%
Dropout Rate
Chronic Absenteeism (2024-25)
↓ 0.2%14.4%
Chronically Absent
2,164
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: 34673140116897. Academic Year: 2023-24 – 2024-25.