Old Mill Elementary
Elementary Schools (Public)Grades K–5Active
352 Throckmorton Avenue, Mill Valley, CA 94941-2640
(415) 389-7727
Overall Score (2024-25)
↑ 0.0 ptsvs 2023-2476
out of 100
StrongTop 14% statewideData completeness: 100%
Academic Achievement98
CA avg
Academic Growth23
CA avg
Equity90
CA avg
School Climate81
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 Arts88.9%
CA avg 48.8%
Mathematics82.3%
CA avg 34.6%
Science / CAST (2024-25)80.0%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 03 | 82.9% | 79.5% | — | 41 |
| 04 | 91.1% | 86.7% | — | 45 |
| 05 | 92.5% | 80.0% | 80.0% | 40 |
Enrollment & Demographics (2024-25)
261
Total Students
3.8%
Free/Reduced Lunch
2.3%
English Learners
Staff (2024-25)
16.9:1
Pupil-Teacher Ratio
Chronic Absenteeism (2024-25)
↑ 1.1%6.5%
Chronically Absent
261
Students Tracked
Historical Trends
Year-over-year performance data from official CDE records.
Composite Score
ELA Proficiency %
Math Proficiency %
Science / CAST %
Chronic Absenteeism Rate %
Total Enrollment
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Data sourced from the California Department of Education. CDS Code: 21653916024442. Academic Year: 2023-24 – 2024-25.