Costano Elementary
Elementary Schools (Public)Grades K–5Active
2695 Fordham Street, East Palo Alto, CA 94303-1207
(650) 329-2830
Overall Score (2024-25)
↑ 1.1 ptsvs 2023-2424
out of 100
Needs SupportTop 84% statewideData completeness: 100%
Academic Achievement3
CA avg
Academic Growth87
CA avg
Equity6
CA avg
School Climate2
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 Arts16.1%
CA avg 48.8%
Mathematics11.6%
CA avg 34.6%
Science / CAST (2024-25)4.8%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 03 | 17.0% | 25.4% | — | 53 |
| 04 | 11.8% | 7.3% | — | 51 |
| 05 | 19.0% | 3.2% | 4.8% | 58 |
Enrollment & Demographics (2024-25)
369
Total Students
90.0%
Free/Reduced Lunch
52.0%
English Learners
Staff (2024-25)
17.2:1
Pupil-Teacher Ratio
Chronic Absenteeism (2024-25)
↓ 7.7%43.7%
Chronically Absent
419
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
Parent & Community Reviews
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Data sourced from the California Department of Education. CDS Code: 41689996044325. Academic Year: 2023-24 – 2024-25.