County directory · Washington · 2026–27
School districts in King County, WA
King County has 18 regular public school districts, enrolling 261,956 students in 2024–25. The largest is Seattle School District No. 1 (50,773 students, 19% of the county), followed by Lake Washington School District and Kent School District. All 18 offer kindergarten. Washington's kindergarten cutoff: turn 5 by August 31.
The 18 districts, largest first
| District and office | Grades | Schools | Students | Kindergarten | District office contact |
|---|---|---|---|---|---|
| Seattle School District No. 1 2445 3RD AVE S, SEATTLE | Pre-K–12 | 108 | 50,773 | 3,744 | (206) 252-0010 |
| Lake Washington School District 16250 NE 74TH ST, REDMOND | Pre-K–12 | 55 | 30,986 | 1,885 | (425) 936-1200 |
| Kent School District 12033 SE 256TH ST, KENT | Pre-K–12 | 45 | 25,358 | 1,753 | No website listed by NCES (2025–26) (253) 373-7000 |
| Federal Way School District 33330 8th AVE S, FEDERAL WAY | Pre-K–12 | 44 | 22,250 | 1,606 | (253) 945-2000 |
| Bellevue School District 12111 NE 1ST ST, BELLEVUE | Pre-K–12 | 30 | 20,339 | 1,189 | No website listed by NCES (2025–26) (425) 456-4000 |
| Issaquah School District 5150 220th Ave SE, ISSAQUAH | Pre-K–12 | 30 | 19,098 | 1,203 | (425) 837-7000 |
| Auburn School District 915 4TH ST NE, AUBURN also serves Pierce County | Pre-K–12 | 25 | 18,174 | 1,373 | No website listed by NCES (2025–26) (253) 931-4900 |
| Highline School District 15675 AMBAUM BLVD SW, BURIEN | Pre-K–12 | 37 | 18,072 | 1,205 | (206) 631-3000 |
| Renton School District 300 SW 7TH ST, RENTON | Pre-K–12 | 29 | 14,873 | 1,263 | (425) 204-2300 |
| Shoreline School District 18560 1ST AVE NE, SHORELINE | Pre-K–12 | 18 | 9,717 | 627 | (206) 393-4203 |
| Tahoma School District 25720 MAPLE VALLEY BLK DIAM RD, MAPLE VALLEY | Pre-K–12 | 10 | 9,234 | 508 | No website listed by NCES (2025–26) (425) 413-3400 |
| Snoqualmie Valley School District 8001 SILVA AVE SE, SNOQUALMIE | Pre-K–12 | 14 | 7,145 | 462 | No website listed by NCES (2025–26) (425) 831-8000 |
| Enumclaw School District 2929 MCDOUGALL AVE, ENUMCLAW | Pre-K–12 | 9 | 4,542 | 381 | No website listed by NCES (2025–26) (360) 272-6279 |
| Mercer Island School District 4160 86TH AVE SE, MERCER ISLAND | Pre-K–12 | 6 | 3,993 | 218 | (206) 236-3300 |
| Riverview School District 15510 1st Ave NE, DUVALL | Pre-K–12 | 7 | 2,996 | 185 | (425) 844-4500 |
| Tukwila School District 4640 S 144TH ST, TUKWILA | Pre-K–12 | 8 | 2,886 | 190 | (206) 901-8000 |
| Vashon Island School District 9309 SW Cemetery Rd, VASHON | Pre-K–12 | 5 | 1,468 | 75 | (206) 463-8530 |
| Skykomish School District 105 6TH ST N, SKYKOMISH | Pre-K–12 | 2 | 52 | 3 | No website listed by NCES (2025–26) (360) 677-2623 |
King County at a glance
Together the 18 districts run 482 schools from offices in 18 towns. The smallest by enrollment is Skykomish School District, with 52 students; the median King County district has 9,717. By grade span: 18 Pre-K–12.
Kindergarten in 2024–25, counting the 18 districts that report a K grade: 17,870 children. The biggest kindergarten was Seattle School District No. 1's, with 3,744; Lake Washington School District had 1,885, and the smallest, Skykomish School District, had 3.
King County holds 18 of Washington's 298 regular districts (6.0%) and 24% of its 1,087,695 public school students, ranking 1st of 39 counties by number of districts and 1st by enrollment. By size, 12 enroll 5,000 or more, 5 enroll 1,000 to 4,999 and 1 have fewer than 1,000 students, and the average school here has about 543 students.
One district reaches past the county line: Auburn School District (into Pierce County).
Which district am I in?
Each district draws its own attendance zones, so your home address decides it, and with 1 of King County's districts crossing county lines the county alone won't. There is no address lookup here; ask the district. 7 of the 18 have no website on file with NCES; their office phone numbers are in the table. Websites for the rest:
Seattle School District No. 1 · Lake Washington School District · Federal Way School District · Issaquah School District · Highline School District · Renton School District · Shoreline School District · Mercer Island School District · Riverview School District · Tukwila School District · Vashon Island School District
What grade will my child be in?
More in Washington
Every Washington district by county · Washington kindergarten cutoff
More Washington county directories: Pierce County (15) · Snohomish County (15) · Spokane County (14) · Stevens County (12) · Whitman County (13) · Yakima County (14)