Clackamas County schools ranked by test score
Latest OSAS year (2024-25). 66 schools in Clackamas County, Oregon with reported Mathematics scores. Oregon state average: 31.8%.
| Rank | School | Level | Mathematics | vs state |
|---|---|---|---|---|
| 1 | Westridge Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 91.1% | +59.3pp |
| 2 | Forest Hills Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 79.4% | +47.6pp |
| 3 | Hallinan Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 73.3% | +41.5pp |
| 4 | Lake Grove Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 72.3% | +40.5pp |
| 5 | Palisades World Language School Lake Oswego · Lake Oswego SD 7J | Elementary | 71.7% | +39.9pp |
| 6 | Cedaroak Park Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 67.9% | +36.1pp |
| 7 | Oak Creek Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 67.3% | +35.5pp |
| 8 | Stafford Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 67.2% | +35.4pp |
| 9 | Bolton Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 66.4% | +34.6pp |
| 10 | Oregon Trail Academy Boring · Oregon Trail SD 46 | Elementary | 63.0% | +31.2pp |
| 11 | Willamette Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 61.9% | +30.1pp |
| 12 | River Grove Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 59.1% | +27.3pp |
| 13 | Welches Elementary School Welches · Oregon Trail SD 46 | Elementary | 57.6% | +25.8pp |
| 14 | Trillium Creek Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 57.5% | +25.7pp |
| 15 | Scouters Mountain Elementary Happy Valley · North Clackamas SD 12 | Elementary | 55.9% | +24.1pp |
| 16 | Sunset Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 54.5% | +22.7pp |
| 17 | Happy Valley Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 53.3% | +21.5pp |
| 18 | Lowrie Primary School Wilsonville · West Linn-Wilsonville SD 3J | Elementary | 52.5% | +20.7pp |
| 19 | Naas Elementary School Boring · Oregon Trail SD 46 | Elementary | 51.2% | +19.4pp |
| 20 | Sandy Grade School Sandy · Oregon Trail SD 46 | Elementary | 50.3% | +18.5pp |
| 21 | Cascade Heights Public Charter School Milwaukie · North Clackamas SD 12 | Elementary | 48.6% | +16.8pp |
| 22 | John McLoughlin Elementary School Oregon City · Oregon City SD 62 | Elementary | 48.1% | +16.3pp |
| 23 | View Acres Elementary School Milwaukie · North Clackamas SD 12 | Elementary | 45.6% | +13.8pp |
| 24 | Spring Mountain Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 45.5% | +13.7pp |
| 25 | Deep Creek - Damascus K-8 School Damascus · Gresham-Barlow SD 10J | Elementary | 45.0% | +13.2pp |
| 26 | Firwood Elementary School Sandy · Oregon Trail SD 46 | Elementary | 44.5% | +12.7pp |
| 27 | Beatrice Morrow Cannady Elementary Damascus · North Clackamas SD 12 | Elementary | 44.1% | +12.3pp |
| 28 | Kelso Elementary School Boring · Oregon Trail SD 46 | Elementary | 44.1% | +12.3pp |
| 29 | Sojourner School Milwaukie · North Clackamas SD 12 | Elementary | 43.8% | +12.0pp |
| 30 | Oregon Trail Elementary School Clackamas · North Clackamas SD 12 | Elementary | 43.6% | +11.8pp |
| 31 | Ninety-One School Hubbard · Canby SD 86 | Elementary | 42.6% | +10.8pp |
| 32 | Boeckman Creek Primary School Wilsonville · West Linn-Wilsonville SD 3J | Elementary | 40.0% | +8.2pp |
| 33 | Mount Scott Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 39.8% | +8.0pp |
| 34 | Clarkes Elementary School Mulino · Molalla River SD 35 | Elementary | 39.7% | +7.9pp |
| 35 | Boones Ferry Primary School Wilsonville · West Linn-Wilsonville SD 3J | Elementary | 38.8% | +7.0pp |
| 36 | Springwater Environmental Sciences School Oregon City · Oregon City SD 62 | Elementary | 38.1% | +6.3pp |
| 37 | Mulino Elementary School Mulino · Molalla River SD 35 | Elementary | 37.0% | +5.2pp |
| 38 | John Wetten Elementary School Gladstone · Gladstone SD 115 | Elementary | 36.8% | +5.0pp |
| 39 | Verne A Duncan Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 36.4% | +4.6pp |
| 40 | Ardenwald Elementary School Milwaukie · North Clackamas SD 12 | Elementary | 35.9% | +4.1pp |
| 41 | Rural Dell Elementary School Molalla · Molalla River SD 35 | Elementary | 35.5% | +3.7pp |
| 42 | Beavercreek Elementary School Beavercreek · Oregon City SD 62 | Elementary | 35.4% | +3.6pp |
| 43 | Gaffney Lane Elementary School Oregon City · Oregon City SD 62 | Elementary | 34.2% | +2.4pp |
| 44 | Bridgeport Elementary School Tualatin · Tigard-Tualatin SD 23J | Elementary | 34.0% | +2.2pp |
| 45 | Howard Eccles Elementary School Canby · Canby SD 86 | Elementary | 33.6% | +1.8pp |
| 46 | Carus School Oregon City · Canby SD 86 | Elementary | 33.2% | +1.4pp |
| 47 | Holcomb Elementary School Oregon City · Oregon City SD 62 | Elementary | 32.2% | +0.4pp |
| 48 | Redland Elementary School Oregon City · Oregon City SD 62 | Elementary | 32.0% | +0.2pp |
| 49 | Milwaukie El Puente Elementary School Milwaukie · North Clackamas SD 12 | Elementary | 31.7% | -0.1pp |
| 50 | William Knight Elementary School Canby · Canby SD 86 | Elementary | 31.4% | -0.4pp |
About this ranking
Schools are ranked by the percentage of students who scored at or above the OSAS % Proficient threshold on the latest available OSAS Mathematics test (school year 2024-25). Only public schools in Clackamas County, Oregon with a reasonable cohort size are shown. A higher percentage is better.
The comparison column shows the gap to the Oregon statewide enrollment-weighted average. To compare against neighboring counties, use the full Oregon ranking.