Clackamas County schools ranked by test score
Latest OSAS year (2024-25). 103 schools in Clackamas County, Oregon with reported Science scores. Oregon state average: 30.2%.
| Rank | School | Level | Science | vs state |
|---|---|---|---|---|
| 1 | Westridge Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 81.9% | +51.7pp |
| 2 | Forest Hills Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 70.9% | +40.7pp |
| 3 | View Acres Elementary School Milwaukie · North Clackamas SD 12 | Elementary | 65.6% | +35.4pp |
| 4 | Hallinan Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 64.5% | +34.3pp |
| 5 | Bolton Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 64.2% | +34.0pp |
| 6 | Oregon Trail Academy Boring · Oregon Trail SD 46 | Elementary | 60.0% | +29.8pp |
| 7 | Cedaroak Park Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 59.7% | +29.5pp |
| 8 | Lake Oswego High School Lake Oswego · Lake Oswego SD 7J | High | 59.7% | +29.5pp |
| 9 | Stafford Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 59.5% | +29.3pp |
| 10 | Lake Oswego Middle School Lake Oswego · Lake Oswego SD 7J | Middle | 57.4% | +27.2pp |
| 11 | Lake Grove Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 56.7% | +26.5pp |
| 12 | River Grove Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 55.9% | +25.7pp |
| 13 | Oak Creek Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 54.4% | +24.2pp |
| 14 | Sunset Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 52.2% | +22.0pp |
| 15 | Lakeridge High School Lake Oswego · Lake Oswego SD 7J | High | 51.4% | +21.2pp |
| 16 | Ninety-One School Hubbard · Canby SD 86 | Elementary | 49.6% | +19.4pp |
| 17 | Clackamas Middle College Happy Valley · North Clackamas SD 12 | High | 49.1% | +18.9pp |
| 18 | Three Rivers Charter School West Linn · West Linn-Wilsonville SD 3J | Middle | 48.9% | +18.7pp |
| 19 | Alliance Charter Academy Oregon City · Oregon City SD 62 | Combined | 47.8% | +17.6pp |
| 20 | Lakeridge Middle School Lake Oswego · Lake Oswego SD 7J | Middle | 46.3% | +16.1pp |
| 21 | Trillium Creek Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 45.9% | +15.7pp |
| 22 | Willamette Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 45.7% | +15.5pp |
| 23 | West Linn High School West Linn · West Linn-Wilsonville SD 3J | High | 44.4% | +14.2pp |
| 24 | Rosemont Ridge Middle School West Linn · West Linn-Wilsonville SD 3J | Middle | 44.3% | +14.1pp |
| 25 | Spring Mountain Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 43.9% | +13.7pp |
| 26 | Lowrie Primary School Wilsonville · West Linn-Wilsonville SD 3J | Elementary | 43.6% | +13.4pp |
| 27 | Holcomb Elementary School Oregon City · Oregon City SD 62 | Elementary | 42.9% | +12.7pp |
| 28 | Summit Learning Charter Eagle Creek · Estacada SD 108 | Combined | 42.6% | +12.4pp |
| 29 | Molalla High School Molalla · Molalla River SD 35 | High | 41.8% | +11.6pp |
| 30 | Happy Valley Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 40.9% | +10.7pp |
| 31 | Scouters Mountain Elementary Happy Valley · North Clackamas SD 12 | Elementary | 40.2% | +10.0pp |
| 32 | Inza R Wood Middle School Wilsonville · West Linn-Wilsonville SD 3J | Middle | 40.0% | +9.8pp |
| 33 | Boeckman Creek Primary School Wilsonville · West Linn-Wilsonville SD 3J | Elementary | 39.3% | +9.1pp |
| 34 | Clackamas Web Academy Clackamas · North Clackamas SD 12 | Combined | 39.1% | +8.9pp |
| 35 | River Mill Elementary School Estacada · Estacada SD 108 | Elementary | 37.2% | +7.0pp |
| 36 | Clackamas Academy of Industrial Sciences Oregon City · Oregon City SD 62 | High | 36.8% | +6.6pp |
| 37 | John McLoughlin Elementary School Oregon City · Oregon City SD 62 | Elementary | 36.5% | +6.3pp |
| 38 | Adrienne C. Nelson High School Happy Valley · North Clackamas SD 12 | High | 36.4% | +6.2pp |
| 39 | Welches Elementary School Welches · Oregon Trail SD 46 | Elementary | 36.4% | +6.2pp |
| 40 | Wilsonville High School Wilsonville · West Linn-Wilsonville SD 3J | High | 36.4% | +6.2pp |
| 41 | Athey Creek Middle School West Linn · West Linn-Wilsonville SD 3J | Middle | 35.9% | +5.7pp |
| 42 | Kelso Elementary School Boring · Oregon Trail SD 46 | Elementary | 35.6% | +5.4pp |
| 43 | Oregon City Senior High School Oregon City · Oregon City SD 62 | High | 35.6% | +5.4pp |
| 44 | Boones Ferry Primary School Wilsonville · West Linn-Wilsonville SD 3J | Elementary | 35.5% | +5.3pp |
| 45 | Howard Eccles Elementary School Canby · Canby SD 86 | Elementary | 35.3% | +5.1pp |
| 46 | Verne A Duncan Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 35.1% | +4.9pp |
| 47 | Mount Scott Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 34.4% | +4.2pp |
| 48 | Naas Elementary School Boring · Oregon Trail SD 46 | Elementary | 34.3% | +4.1pp |
| 49 | Bridgeport Elementary School Tualatin · Tigard-Tualatin SD 23J | Elementary | 34.1% | +3.9pp |
| 50 | Cedar Ridge Middle School Sandy · Oregon Trail SD 46 | Middle | 33.8% | +3.6pp |
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 Science 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.