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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 2024-25
Total enrollment
57,601
+1,518 (+3%) vs SY 2020-21
School count
117
+6 (+5%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages

How Clackamas County ranks

Among counties
MeasureThis countyIn OregonIn the US
State test proficiency
ranked highest first
39.1%#2 of 26N/A
Enrollment
ranked largest first
57,601#3 of 33#195 of 2,745
Number of schools
ranked most first
117#3 of 33N/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

Largest schoolsAll 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
White
79%
Hispanic
10%
Black
1%
Asian
5%
Two or more
11%
Native American
1%
Pacific Islander
0%
School enrollment
White
64%
Hispanic
18%
Black
2%
Asian
6%
Two or more
9%
Native American
0%
Pacific Islander
0%
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%.

See all 109 schools in Clackamas County ranked by score →

All schools (118)

LargestA-ZTop rated
NameCityLevelGradesEnrollmentRating
Oregon City Senior High SchoolOregon CityHigh09-121,944·
West Linn High SchoolWest LinnHigh09-121,809·
Adrienne C. Nelson High SchoolHappy ValleyHigh09-121,536·
Sandy High SchoolSandyHigh09-121,420·
Canby High SchoolCanbyHigh09-121,402·
Summit Learning CharterEagle CreekCombinedKG-121,355·
Lake Oswego High SchoolLake OswegoHigh09-121,282·
Clackamas High SchoolClackamasHigh09-121,280·
Wilsonville High SchoolWilsonvilleHigh09-121,258·
Lakeridge High SchoolLake OswegoHigh09-121,241·
Happy Valley Middle SchoolHappy ValleyMiddle06-081,158·
Putnam High SchoolMilwaukieHigh09-121,060·
Rock Creek Middle SchoolClackamasMiddle06-08889·
Lakeridge Middle SchoolLake OswegoMiddle06-08888·
Milwaukie High SchoolMilwaukieHigh09-12874·
Alder Creek Middle SchoolMilwaukieMiddle06-08810·
Lake Oswego Middle SchoolLake OswegoMiddle06-08791·
Rowe Middle SchoolMilwaukieMiddle06-08747·
Molalla High SchoolMolallaHigh09-12745·
Gardiner Middle SchoolOregon CityMiddle06-08699·
Rosemont Ridge Middle SchoolWest LinnMiddle06-08699·
Tumwata Middle SchoolOregon CityMiddle06-08685·
John Wetten Elementary SchoolGladstoneElementary01-05589·
John McLoughlin Elementary SchoolOregon CityElementaryKG-05585·
Scouters Mountain ElementaryHappy ValleyElementaryKG-05568·
Gladstone High SchoolGladstoneHigh09-12559·
Estacada High SchoolEstacadaHigh09-12558·
Baker Prairie Middle SchoolCanbyMiddle07-08532·
Bridgeport Elementary SchoolTualatinElementaryKG-05531·
Molalla River Middle SchoolMolallaMiddle06-08531·
Clackamas Web AcademyClackamasCombinedKG-12529·
Holcomb Elementary SchoolOregon CityElementaryKG-05516·
Beatrice Morrow Cannady ElementaryDamascusElementaryKG-05506·
River Mill Elementary SchoolEstacadaElementaryKG-05506·
Happy Valley Elementary SchoolHappy ValleyElementaryKG-05491·
Boeckman Creek Primary SchoolWilsonvilleElementaryPK-05488·
Lowrie Primary SchoolWilsonvilleElementaryPK-05482·
Trillium Creek Primary SchoolWest LinnElementaryPK-05480·
Deep Creek - Damascus K-8 SchoolDamascusElementaryKG-08477·
Ninety-One SchoolHubbardElementaryKG-08476·
Redland Elementary SchoolOregon CityElementaryKG-05475·
Cedar Ridge Middle SchoolSandyMiddle06-08471·
Athey Creek Middle SchoolWest LinnMiddle06-08470·
Estacada Middle SchoolEstacadaMiddle06-08460·
Beavercreek Elementary SchoolBeavercreekElementaryKG-05458·
Cecile Trost Elementary SchoolCanbyElementaryKG-06457·
Oregon Trail Elementary SchoolClackamasElementaryKG-05455·
Inza R Wood Middle SchoolWilsonvilleMiddle06-08441·
Molalla Elementary SchoolMolallaElementaryKG-05438·
Clackamas River Elementary SchoolEstacadaElementaryKG-05433·
Firwood Elementary SchoolSandyElementaryKG-05430·
Boones Ferry Primary SchoolWilsonvilleElementaryPK-05427·
Boring Middle SchoolBoringMiddle06-08427·
Lake Grove Elementary SchoolLake OswegoElementaryKG-05425·
Alliance Charter AcademyOregon CityCombinedKG-12419·
Gaffney Lane Elementary SchoolOregon CityElementaryKG-05419·
Mount Scott Elementary SchoolHappy ValleyElementaryKG-05416·
Whitcomb Elementary SchoolMilwaukieElementaryKG-05415·
Milwaukie El Puente Elementary SchoolMilwaukieElementaryKG-05408·
Oak Creek Elementary SchoolLake OswegoElementaryKG-05402·
Sunnyside Elementary SchoolClackamasElementaryKG-05402·
Verne A Duncan Elementary SchoolHappy ValleyElementaryKG-05400·
Ardenwald Elementary SchoolMilwaukieElementaryKG-05396·
Forest Hills Elementary SchoolLake OswegoElementaryKG-05389·
Westridge Elementary SchoolLake OswegoElementaryKG-05389·
Willamette Primary SchoolWest LinnElementaryPK-05384·
River Grove Elementary SchoolLake OswegoElementaryKG-05382·
Sunset Primary SchoolWest LinnElementaryPK-05375·
Bilquist Elementary SchoolMilwaukieElementaryKG-05373·
Howard Eccles Elementary SchoolCanbyElementaryKG-06371·
Meridian Creek Middle SchoolWilsonvilleMiddle06-08368·
View Acres Elementary SchoolMilwaukieElementaryKG-05367·
Hallinan Elementary SchoolLake OswegoElementaryKG-05364·
Candy Lane Elementary SchoolMilwaukieElementaryKG-05363·
Kelso Elementary SchoolBoringElementaryKG-05350·
Spring Mountain Elementary SchoolHappy ValleyElementaryKG-05350·
Cedaroak Park Primary SchoolWest LinnElementaryPK-05348·
Walter L Kraxberger Middle SchoolGladstoneMiddle06-08343·
Sandy Grade SchoolSandyElementaryKG-05327·
Carus SchoolOregon CityElementaryKG-06325·
Clackamas Academy of Industrial SciencesOregon CityHigh06-12325·
Stafford Primary SchoolWest LinnElementaryPK-05323·
New Urban High SchoolMilwaukieHigh09-12320·
Riverside Elementary SchoolMilwaukieElementaryKG-05311·
Clackamas Middle CollegeHappy ValleyHigh09-12305·
Butte Creek Elementary SchoolMt AngelElementaryKG-08303·
William Knight Elementary SchoolCanbyElementaryKG-06292·
Naas Elementary SchoolBoringElementaryKG-05290·
Lewelling Elementary SchoolMilwaukieElementaryKG-05282·
Milwaukie Academy of the ArtsMilwaukieHigh09-12281·
Philander Lee Elementary SchoolCanbyElementaryKG-06279·
Oak Grove ElementaryMilwaukieElementaryKG-05262·
Linwood Elementary SchoolMilwaukieElementaryKG-05259·
Palisades World Language SchoolLake OswegoElementaryKG-05252·
Rural Dell Elementary SchoolMolallaElementaryKG-05251·
Oregon Trail AcademyBoringElementaryKG-08248·
Cascade Heights Public Charter SchoolMilwaukieElementaryKG-08228·
Molalla River AcademyMolallaElementaryKG-08224·
Bolton Primary SchoolWest LinnElementaryPK-05222·
Mulino Elementary SchoolMulinoElementaryKG-05204·

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

How many K-12 schools serve Clackamas County?
There are 118 public K-12 schools in Clackamas County, Oregon, with a combined enrollment of about 57,601.
How many high schools are in Clackamas County?
Clackamas County, Oregon has 23 public high schools, serving approximately 18,663 students.
How many middle schools are in Clackamas County?
Clackamas County, Oregon has 21 public middle schools, serving approximately 11,694 students.
How many elementary schools are in Clackamas County?
Clackamas County, Oregon has 68 public elementary schools, serving approximately 24,605 students.
What is the largest school district in Clackamas County?
North Clackamas SD 12 is the largest school district in Clackamas County, serving approximately 16,837 students. The county contains 14 school districts overall.
How many people live in Clackamas County?
Clackamas County has roughly 423,975 residents according to the latest Census ACS 5-year estimate.
What is the median household income in Clackamas County?
Median household income in Clackamas County is $103,517, above the Oregon average of $72,324. About 5.3% of residents live below the federal poverty line.
How educated are residents of Clackamas County?
Approximately 40.5% of adults 25 and older in Clackamas County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in Clackamas County qualify for free or reduced lunch?
Roughly 49.9% of students in Clackamas County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is lower than the Oregon county average of 85.7%.
What is the student-teacher ratio in Clackamas County schools?
Across Clackamas County public schools, the enrollment-weighted student-teacher ratio is approximately 22.3 to 1.
DATA · Census ACS 5-year · NCES Common Core of Data