Total enrollment
57,601
+1,518 (+3%) vs SY 2020-21
Clackamas County
Oregon · Public K-12
The 118 public K-12 schools in Clackamas County cover all standard grade bands (68 elementary, 21 middle, and 23 high), with combined enrollment around 57,601.
4-year change in Clackamas County
SY 2020-21 vs SY 2024-25School count
117
+6 (+5%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Clackamas County ranks
Among counties| Measure | This county | In Oregon | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 39.1% | #2 of 26 | N/A |
| Enrollment ranked largest first | 57,601 | #3 of 33 | #195 of 2,745 |
| Number of schools ranked most first | 117 | #3 of 33 | N/A |
| Students per teacher ranked fewest first | 19.3:1 | #27 of 33 | #2,542 of 2,655 |
| Free or reduced-price lunch share ranked highest first | 49.9% | #32 of 32 | #1,624 of 2,526 |
| Diversity index ranked most diverse first | 54.1% | #11 of 33 | #893 of 2,707 |
Counties need at least 3 schools and 1,000 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Clackamas County school rankings
Residents
423,975
all ages · ACS 5-yr
Schools
118
14 districts
Enrollment
57,601
students · NCES CCD
Median income
$103,517
Above Oregon avg
Free/reduced lunch
49.9%
Below Oregon avg
Elementary
68
24,605 students
Middle
21
11,694 students
High
23
18,663 students
Combined / other
6
2,639 students
LARGEST DISTRICT
North Clackamas SD 12
16,837 students · 14 districts in Clackamas County
County vs. school enrollment demographics
Left bar is the racial makeup of Clackamas County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
40.5%
adults 25+
Poverty rate
5.3%
ACS 5-year
Unemployment
4.4%
civilian labor
Median age
42
20.8% under 18
Test scores in Clackamas County
Latest 2024-25 ELA proficiency, 109 schools ranked. Oregon state average: 43.0%.
Top 5 schools (ELA)
- Westridge Elementary School· 90.7%
- Lake Oswego High School· 84.5%
- Forest Hills Elementary School· 82.0%
- Hallinan Elementary School· 79.6%
- Cedaroak Park Primary School· 79.1%
Lowest 5 schools (ELA)
- New Urban High School· 15.9%
- Whitcomb Elementary School· 17.3%
- Colton Elementary School· 21.3%
- Molalla River Academy· 22.1%
- Milwaukie High School· 23.4%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Springwater Environmental Sciences School | Oregon City | Elementary | KG-08 | 203 | · |
| Welches Elementary School | Welches | Elementary | KG-05 | 172 | · |
| Colton Elementary School | Colton | Elementary | KG-05 | 171 | · |
| Colton High School | Colton | High | 09-12 | 161 | · |
| Riverside High School | Tualatin | High | 09-12 | 160 | · |
| Sojourner School | Milwaukie | Elementary | KG-05 | 159 | · |
| Clarkes Elementary School | Mulino | Elementary | KG-05 | 153 | · |
| Colton Virtual Academy | Colton | Combined | KG-12 | 153 | · |
| Oregon City Service Learning Academy | Oregon City | High | 09-12 | 111 | · |
| Colton Middle School | Colton | Middle | 06-08 | 110 | · |
| Gladstone Center for Children and Families | Gladstone | Elementary | PK-KG | 109 | · |
| Three Rivers Charter School | West Linn | Middle | 04-08 | 108 | · |
| LEEP (Life Enrichment Education Program) | Clackamas | Combined | KG-12 | 106 | · |
| Heron Creek Program | Marylhurst | Combined | KG-12 | 77 | · |
| Welches Middle School | Welches | Middle | 06-08 | 67 | · |
| Harmony Academy | Lake Oswego | High | 09-12 | 22 | · |
| Parrot Creek Program | Lake Oswego | High | 09-12 | 10 | · |
| Jennings Lodge Elementary School | Milwaukie | Elementary | PK-PK | 0 | · |
Cities in Clackamas County
Milwaukie19 schoolsLake Oswego13 schoolsOregon City12 schoolsWest Linn10 schoolsHappy Valley8 schoolsCanby6 schoolsClackamas6 schoolsWilsonville6 schoolsMolalla5 schoolsBoring4 schoolsColton4 schoolsEstacada4 schoolsGladstone4 schoolsSandy4 schoolsDamascus2 schoolsMulino2 schoolsTualatin2 schoolsWelches2 schoolsBeavercreek1 schoolEagle Creek1 schoolHubbard1 schoolMarylhurst1 schoolMt Angel1 school
About Clackamas County
Clackamas County is a high-population Oregon county of about 423,975 residents, home to 118 public schools and roughly 57,601 students.
Looking at the wider area, census numbers show the median household earns about $103,517 a year, 41% of adults hold a bachelor's degree or higher, and roughly 5% of residents live below the federal poverty line. That income level is 43% meaningfully above the Oregon median.
On the school-mix side, Clackamas County consists of 68 elementary schools (24,605 students), 21 middle schools (11,694), 23 high schools (18,663), and 6 combined or other schools.
The largest single district in Clackamas County is North Clackamas SD 12, which alone enrolls about 16,837 students.
Looking at the last 4 years. Total public-school enrollment in Clackamas County has rose 3% since SY 2020-21, moving from about 56,083 students to 57,601. Over that span, Clackamas County added 6 schools, going from 111 to 117.
On allk12, the community for Clackamas County discusses open enrollment windows, redistricting talk, and busing logistics. Posts come from current and former families, staff, and alumni.
Frequently asked questions
DATA · Census ACS 5-year · NCES Common Core of Data