Clackamas County schools ranked by test score
Latest OSAS year (2024-25). 109 schools in Clackamas County, Oregon with reported English Language Arts scores. Oregon state average: 43.0%.
| Rank | School | Level | English Language Arts | vs state |
|---|---|---|---|---|
| 1 | Westridge Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 90.7% | +47.7pp |
| 2 | Lake Oswego High School Lake Oswego · Lake Oswego SD 7J | High | 84.5% | +41.5pp |
| 3 | Forest Hills Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 82.0% | +39.0pp |
| 4 | Hallinan Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 79.6% | +36.6pp |
| 5 | Cedaroak Park Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 79.1% | +36.1pp |
| 6 | Lake Grove Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 75.3% | +32.3pp |
| 7 | Oregon Trail Academy Boring · Oregon Trail SD 46 | Elementary | 74.8% | +31.8pp |
| 8 | Lake Oswego Middle School Lake Oswego · Lake Oswego SD 7J | Middle | 74.7% | +31.7pp |
| 9 | Lakeridge High School Lake Oswego · Lake Oswego SD 7J | High | 74.1% | +31.1pp |
| 10 | Stafford Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 72.1% | +29.1pp |
| 11 | Palisades World Language School Lake Oswego · Lake Oswego SD 7J | Elementary | 72.0% | +29.0pp |
| 12 | Bolton Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 70.4% | +27.4pp |
| 13 | Lakeridge Middle School Lake Oswego · Lake Oswego SD 7J | Middle | 70.4% | +27.4pp |
| 14 | Willamette Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 66.4% | +23.4pp |
| 15 | Scouters Mountain Elementary Happy Valley · North Clackamas SD 12 | Elementary | 65.6% | +22.6pp |
| 16 | Welches Middle School Welches · Oregon Trail SD 46 | Middle | 65.6% | +22.6pp |
| 17 | Oak Creek Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 65.0% | +22.0pp |
| 18 | Rosemont Ridge Middle School West Linn · West Linn-Wilsonville SD 3J | Middle | 64.4% | +21.4pp |
| 19 | Athey Creek Middle School West Linn · West Linn-Wilsonville SD 3J | Middle | 63.9% | +20.9pp |
| 20 | Happy Valley Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 63.6% | +20.6pp |
| 21 | River Grove Elementary School Lake Oswego · Lake Oswego SD 7J | Elementary | 63.5% | +20.5pp |
| 22 | Trillium Creek Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 62.4% | +19.4pp |
| 23 | Sunset Primary School West Linn · West Linn-Wilsonville SD 3J | Elementary | 62.1% | +19.1pp |
| 24 | Lowrie Primary School Wilsonville · West Linn-Wilsonville SD 3J | Elementary | 60.2% | +17.2pp |
| 25 | Springwater Environmental Sciences School Oregon City · Oregon City SD 62 | Elementary | 59.5% | +16.5pp |
| 26 | West Linn High School West Linn · West Linn-Wilsonville SD 3J | High | 59.5% | +16.5pp |
| 27 | John McLoughlin Elementary School Oregon City · Oregon City SD 62 | Elementary | 59.4% | +16.4pp |
| 28 | Welches Elementary School Welches · Oregon Trail SD 46 | Elementary | 58.6% | +15.6pp |
| 29 | Spring Mountain Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 58.4% | +15.4pp |
| 30 | Clackamas Middle College Happy Valley · North Clackamas SD 12 | High | 58.2% | +15.2pp |
| 31 | Three Rivers Charter School West Linn · West Linn-Wilsonville SD 3J | Middle | 58.1% | +15.1pp |
| 32 | Alliance Charter Academy Oregon City · Oregon City SD 62 | Combined | 57.8% | +14.8pp |
| 33 | Meridian Creek Middle School Wilsonville · West Linn-Wilsonville SD 3J | Middle | 55.6% | +12.6pp |
| 34 | View Acres Elementary School Milwaukie · North Clackamas SD 12 | Elementary | 55.6% | +12.6pp |
| 35 | Clarkes Elementary School Mulino · Molalla River SD 35 | Elementary | 55.4% | +12.4pp |
| 36 | Boring Middle School Boring · Oregon Trail SD 46 | Middle | 55.3% | +12.3pp |
| 37 | Sandy Grade School Sandy · Oregon Trail SD 46 | Elementary | 55.2% | +12.2pp |
| 38 | Sojourner School Milwaukie · North Clackamas SD 12 | Elementary | 54.8% | +11.8pp |
| 39 | Summit Learning Charter Eagle Creek · Estacada SD 108 | Combined | 53.9% | +10.9pp |
| 40 | Firwood Elementary School Sandy · Oregon Trail SD 46 | Elementary | 53.3% | +10.3pp |
| 41 | Estacada High School Estacada · Estacada SD 108 | High | 52.0% | +9.0pp |
| 42 | Happy Valley Middle School Happy Valley · North Clackamas SD 12 | Middle | 51.2% | +8.2pp |
| 43 | Oregon Trail Elementary School Clackamas · North Clackamas SD 12 | Elementary | 51.2% | +8.2pp |
| 44 | Beatrice Morrow Cannady Elementary Damascus · North Clackamas SD 12 | Elementary | 50.7% | +7.7pp |
| 45 | Naas Elementary School Boring · Oregon Trail SD 46 | Elementary | 50.6% | +7.6pp |
| 46 | Boeckman Creek Primary School Wilsonville · West Linn-Wilsonville SD 3J | Elementary | 50.4% | +7.4pp |
| 47 | Deep Creek - Damascus K-8 School Damascus · Gresham-Barlow SD 10J | Elementary | 50.2% | +7.2pp |
| 48 | Mount Scott Elementary School Happy Valley · North Clackamas SD 12 | Elementary | 50.2% | +7.2pp |
| 49 | Milwaukie Academy of the Arts Milwaukie · North Clackamas SD 12 | High | 50.0% | +7.0pp |
| 50 | Inza R Wood Middle School Wilsonville · West Linn-Wilsonville SD 3J | Middle | 49.7% | +6.7pp |
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 English Language Arts 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.