Corning Union High
High Schools (Public)Grades 9–12Active
643 Blackburn Avenue, Corning, CA 96021-2216
(530) 824-8000
Overall Score (2024-25)
↑ 0.9 ptsvs 2023-2451
out of 100
AverageTop 49% statewideData completeness: 100%
Academic Achievement38
CA avg
Academic Growth66
CA avg
Equity47
CA avg
School Climate77
CA avg
College/Career Readiness38
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 Arts41.7%
CA avg 48.8%
Mathematics15.6%
CA avg 34.6%
Science / CAST (2024-25)18.9%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 11 | 41.7% | 15.6% | 19.2% | 242 |
Enrollment & Demographics (2024-25)
974
Total Students
82.4%
Free/Reduced Lunch
24.1%
English Learners
Staff (2024-25)
18.1:1
Pupil-Teacher Ratio
Graduation Rates (2024-25)
↓ 0.2%97.2%
Graduation Rate
28.4%
Met UC/CSU Reqs
1.9%
Dropout Rate
Chronic Absenteeism (2024-25)
↓ 2.3%13.5%
Chronically Absent
1,007
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: 52715065231709. Academic Year: 2023-24 – 2024-25.