Summary:
Zip code 94978 has one listed school, Heartwood Charter, an alternative school serving kindergarten through 12th grade with 739 students. In 2025–2026, its all-grades test results were above California’s in all three subjects: 52% in English language arts (ELA) versus 49% statewide, 41% in math versus 38%, and 46% in science versus 36%. The clearest overall takeaway is that Heartwood exceeded the state rate in every reported all-grades subject, with its largest advantage in science.
Within the reported grade-level results, 7th grade stands out, while 5th grade is the main weak spot. In 7th grade, Heartwood scored 64% in ELA versus 51% statewide, a 14-point advantage, and 53% in math versus 38%, a 15-point advantage. In 5th grade, ELA was 47% versus 49% statewide, a 2-point shortfall, and math was 28% versus 37%, an 8-point shortfall. These results suggest that the school’s all-grades figures do not tell the whole story for a family considering a particular grade.
Results moved in different directions over the two years: Heartwood’s math rate rose 4 points from 2024–2025 to 2025–2026, while ELA fell 4 points and science fell 8. It remained above the state in all three subjects, but its advantage narrowed by 4 points in ELA and 12 in science, while its math margin improved by 3 points. Chronic absenteeism was notably lower than the state rate in 2025–2026: 2% versus 18%, a 16-point difference. For context, in 2024–2025 the school reported a 32.6 student-teacher ratio and 36% free/reduced lunch eligible. The list has only one school and provides no SchoolDigger ranking or star rating, so it cannot support local school-to-school comparisons.
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