Seattle School District No. 1 serves 51,200 students across 109 schools in King County with a student-teacher ratio of 16.5:1. The district operates at substantial scale as an urban system, employing 3,165 teachers.
Academically, Seattle performs above state averages in core subjects. Math proficiency reaches 65.0% compared to Washington's 44.6% state average, while reading proficiency stands at 62.6% against the state average of 44.0%. The graduation rate of 86.1% aligns closely with the state average of 86.2%, indicating consistent performance on this metric.
Chronic absenteeism affects 17.8% of the student population, representing a significant attendance challenge. The district serves diverse student needs, with 34.3% economically disadvantaged students, 14.7% English learners, and 18.2% students with disabilities.
Racial composition reflects moderate diversity: 43.7% White, 15.1% Hispanic, 14.2% Black, and 12.0% Asian students. The district's student population includes substantial proportions requiring targeted instructional support and services.
The performance gap between Seattle's proficiency rates and state averages suggests effective instructional practices in math and reading, though this may reflect demographic and resource differences compared to statewide patterns. Chronic absenteeism levels warrant district attention as a factor potentially affecting overall achievement outcomes and student engagement.
This summary was generated by AI from public data sources. Last updated May 5, 2026.
This data is aggregated from state and federal public datasets. While we believe it is accurate, we always recommend confirming it on the corresponding state or federal site. See Data Notes for more.
Total Students
51,200
Schools
109
Graduation Rate
86.1%
Data Sources: NCES Common Core of Data, NCES F-33 Finance Survey, EDFacts
Federal Data Year: 2024-25
State Data Year: 2024-25
Note: Some data may be unavailable for certain districts or years. Proficiency rates reflect state-specific assessment standards.
Math Proficiency
65.0%
Staff counts are Full-Time Equivalent (FTE) from NCES 2024-25 data.
Washington School Improvement Framework (WSIF) uses 9 indicators including attendance, dual credit, and 9th grade on-track to measure school quality.
Student Growth Percentile (SGP) compares student growth to academic peers. A score of 50 means typical growth; higher scores indicate faster growth.
Source: OSPI Report Card (reportcard.ospi.k12.wa.us), 2024-25 School Year