Best high schools in North Clackamas SD 12 (2025)
Schools classified as high schools by NCES. Ranked by the Success Index (US) from official American data; 7 schools in North Clackamas SD 12, Oregon. Rank positions shown on each profile are within United States and Oregon.
- 156Clackamas High SchoolClackamas · Public High50% Math proficiency · 1,280 students
- 252Milwaukie Academy of the ArtsMilwaukie · Charter High15% Math proficiency · 281 students
- 349Clackamas Middle CollegeHappy Valley · Charter High32% Math proficiency · 305 students
- 445Putnam High SchoolMilwaukie · Public High34% Math proficiency · 1,060 students
- 532Milwaukie High SchoolMilwaukie · Public High17% Math proficiency · 874 students
- 628New Urban High SchoolMilwaukie · Public High10% Math proficiency · 320 students
- 726Adrienne C. Nelson High SchoolHappy Valley · Public High58.5% Free/reduced-price lunch · 1,536 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Clackamas High School Clackamas · High · Grades 9–12 | Public | 56.1 Top 50% | 50% Math proficiency | 1,280 |
| 2 | Milwaukie Academy of the Arts Milwaukie · High · Grades 9–12 | Charter | 52.1 Top 50% | 15% Math proficiency | 281 |
| 3 | Clackamas Middle College Happy Valley · High · Grades 9–12 | Charter | 48.5 Lower 50% | 32% Math proficiency | 305 |
| 4 | Putnam High School Milwaukie · High · Grades 9–12 | Public | 44.6 Lower 50% | 34% Math proficiency | 1,060 |
| 5 | Milwaukie High School Milwaukie · High · Grades 9–12 | Public | 31.9 Lower 50% | 17% Math proficiency | 874 |
| 6 | New Urban High School Milwaukie · High · Grades 9–12 | Public | 27.5 Lower 50% | 10% Math proficiency | 320 |
| 7 | Adrienne C. Nelson High School Happy Valley · High · Grades 9–12 | Public | 26.1 Lower 50% | 58.5% Free/reduced-price lunch | 1,536 |
Clackamas High School in Clackamas leads the 2025 list of high schools in North Clackamas SD 12 with a Success Index (US) of 56.1. Of the 7 schools shown, 5 are public, 2 are charter.
For the full picture see the wider Oregon high schools rankings, every school on the North Clackamas SD 12 page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best high school in North Clackamas SD 12?
Clackamas High School in Clackamas, Oregon ranks first among high schools in North Clackamas SD 12 with a Success Index (US) of 56.1 out of 100 (Enrollment: 1,280).
How are high schools in North Clackamas SD 12 ranked?
Each school's Success Index (US) combines 4 factors: math proficiency (30%), reading proficiency (30%), community advantage (fewer free/reduced-price lunch) (25%), students per teacher (15%). Each factor is a percentile against schools of the same type across United States. Schools with fewer than 60 students are excluded from rankings.
Are these 2025 rankings official?
No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.