County directory · Oregon · 2026–27
School districts in Clackamas County, OR
Clackamas County has 10 regular public school districts, enrolling 56,502 students in 2024–25. The largest is North Clackamas SD 12 (16,982 students, 30% of the county), followed by West Linn-Wilsonville SD 3J and Oregon City SD 62. All 10 offer kindergarten. Oregon's kindergarten cutoff: turn 5 by September 1.
The 10 districts, largest first
| District and office | Grades | Schools | Students | Kindergarten | District office contact |
|---|---|---|---|---|---|
| North Clackamas SD 12 12400 SE Freeman Way, Milwaukie | Pre-K–12 | 31 | 16,982 | 1,025 | (503) 353-6000 |
| West Linn-Wilsonville SD 3J 22210 SW Stafford Rd, Tualatin also serves Washington County | Pre-K–12 | 17 | 8,880 | 490 | (503) 673-7000 |
| Oregon City SD 62 1417 12th St, Oregon City | Pre-K–12 | 14 | 7,247 | 447 | (503) 785-8000 |
| Lake Oswego SD 7J 2455 SW Country Club Rd, Lake Oswego also serves Multnomah County | Pre-K–12 | 12 | 6,882 | 348 | (503) 534-2000 |
| Oregon Trail SD 46 36525 SE Industrial Way, Sandy | Pre-K–12 | 10 | 4,222 | 228 | (503) 668-5541 |
| Canby SD 86 1130 S Ivy St, Canby | Pre-K–12 | 8 | 4,160 | 266 | (503) 266-7861 |
| Estacada SD 108 255 NE 6th Ave, Estacada | Pre-K–12 | 5 | 3,316 | 215 | (503) 630-6871 |
| Molalla River SD 35 412 Swiegle Ave, Molalla | Pre-K–12 | 7 | 2,598 | 173 | (503) 829-2359 |
| Gladstone SD 115 17789 Webster Rd, Gladstone | Pre-K–12 | 4 | 1,618 | 110 | (503) 655-2777 |
| Colton SD 53 30429 S Grays Hill Rd, Colton | Pre-K–12 | 5 | 597 | 24 | (503) 824-3535 |
Clackamas County at a glance
Together the 10 districts run 113 schools from offices in 10 towns. The smallest by enrollment is Colton SD 53, with 597 students; the median Clackamas County district has 4,160. By grade span: 10 Pre-K–12.
Kindergarten in 2024–25, counting the 10 districts that report a K grade: 3,326 children. The biggest kindergarten was North Clackamas SD 12's, with 1,025; West Linn-Wilsonville SD 3J had 490, and the smallest, Colton SD 53, had 24.
Clackamas County holds 10 of Oregon's 172 regular districts (5.8%) and 11% of its 534,695 public school students, ranking 2nd of 36 counties by number of districts and 3rd by enrollment. By size, 4 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 500 students.
2 districts reach past the county line: West Linn-Wilsonville SD 3J (into Washington County) and Lake Oswego SD 7J (into Multnomah County).
Which district am I in?
Each district draws its own attendance zones, so your home address decides it, and with 2 of Clackamas County's districts crossing county lines the county alone won't. There is no address lookup here; ask the district. Each one's own site:
North Clackamas SD 12 · West Linn-Wilsonville SD 3J · Oregon City SD 62 · Lake Oswego SD 7J · Oregon Trail SD 46 · Canby SD 86 · Estacada SD 108 · Molalla River SD 35 · Gladstone SD 115 · Colton SD 53
What grade will my child be in?
More in Oregon
Every Oregon district by county · Oregon kindergarten cutoff
More Oregon county directories: Harney County (10) · Lane County (14) · Marion County (10)