For the 2026 school year, there are 11 public preschools serving 3,654 students in Clackamas County, OR.
The top-ranked public preschools in Clackamas County, OR are Bolton Primary School, Trillium Creek Primary School and Cedaroak Park Primary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Clackamas County, OR public preschools have an average math proficiency score of 55% (versus the Oregon public pre school average of 34%), and reading proficiency score of 59% (versus the 42% statewide average). Pre schools in Clackamas County have an average ranking of 10/10, which is in the top 10% of Oregon public pre schools.
Minority enrollment is 31% of the student body (majority Hispanic), which is less than the Oregon public preschool average of 52% (majority Hispanic).
Best Public Preschools in Clackamas County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Bolton Primary School
(Math: 65-69% | Reading: 75-79%)
Rank:
Rank:
10/
Top 5%10
5933 Holmes St
West Linn, OR 97068
(503) 673-7900
West Linn, OR 97068
(503) 673-7900
Gr: PK-5 | 222 students Student-teacher ratio: 15:1 Minority enrollment: 26%
Rank: #22.
Trillium Creek Primary School
(Math: 62% | Reading: 73%)
Rank:
Rank:
10/
Top 5%10
1025 Rosemont Rd
West Linn, OR 97068
(503) 673-7950
West Linn, OR 97068
(503) 673-7950
Gr: PK-5 | 480 students Student-teacher ratio: 19:1 Minority enrollment: 27%
Rank: #33.
Cedaroak Park Primary School
(Math: 60-64% | Reading: 65-69%)
Rank:
Rank:
10/
Top 10%10
4515 S Cedaroak Dr
West Linn, OR 97068
(503) 673-7100
West Linn, OR 97068
(503) 673-7100
Gr: PK-5 | 348 students Student-teacher ratio: 16:1 Minority enrollment: 25%
Rank: #44.
Stafford Primary School
(Math: 70-74% | Reading: 60-64%)
Rank:
Rank:
10/
Top 10%10
19875 Sw Stafford Rd
West Linn, OR 97068
(503) 673-7150
West Linn, OR 97068
(503) 673-7150
Gr: PK-5 | 323 students Student-teacher ratio: 19:1 Minority enrollment: 21%
Rank: #55.
Sunset Primary School
(Math: 55-59% | Reading: 65-69%)
Rank:
Rank:
10/
Top 10%10
2351 Oxford St
West Linn, OR 97068
(503) 673-7200
West Linn, OR 97068
(503) 673-7200
Gr: PK-5 | 375 students Student-teacher ratio: 16:1 Minority enrollment: 31%
Rank: #66.
Lowrie Primary School
(Math: 53% | Reading: 58%)
Rank:
Rank:
9/
Top 20%10
28995 Sw Brown Rd
Wilsonville, OR 97070
(503) 673-7700
Wilsonville, OR 97070
(503) 673-7700
Gr: PK-5 | 482 students Student-teacher ratio: 17:1 Minority enrollment: 47%
Rank: #77.
Willamette Primary School
(Math: 47% | Reading: 56%)
Rank:
Rank:
9/
Top 20%10
1403 Se 12th St
West Linn, OR 97068
(503) 673-7250
West Linn, OR 97068
(503) 673-7250
Gr: PK-5 | 384 students Student-teacher ratio: 17:1 Minority enrollment: 27%
Rank: #88.
Boeckman Creek Primary School
(Math: 41% | Reading: 45%)
Rank:
Rank:
7/
Top 50%10
6700 Sw Wilsonville Rd
Wilsonville, OR 97070
(503) 673-7750
Wilsonville, OR 97070
(503) 673-7750
Gr: PK-5 | 488 students Student-teacher ratio: 16:1 Minority enrollment: 42%
Rank: #99.
Boones Ferry Primary School
(Math: 43% | Reading: 37%)
Rank:
Rank:
6/
Top 50%10
11495 Wilsonville Rd
Wilsonville, OR 97070
(503) 673-7300
Wilsonville, OR 97070
(503) 673-7300
Gr: PK-5 | 427 students Student-teacher ratio: 15:1 Minority enrollment: 41%
Rank: n/an/a
18905 Portland Ave
Gladstone, OR 97027
(503) 496-3939
Gladstone, OR 97027
(503) 496-3939
Gr: PK-K | 109 students Student-teacher ratio: 14:1 Minority enrollment: 26%
Rank: n/an/a
18521 Se River Rd
Portland, OR 97267
(503) 785-8035
Portland, OR 97267
(503) 785-8035
Gr: PK
Frequently Asked Questions
What are the top-ranked public preschools in Clackamas County, OR?
The top-ranked public preschools in Clackamas County, OR include Bolton Primary School, Trillium Creek Primary School and Cedaroak Park Primary School.
How many public preschools are located in Clackamas County?
11 public preschools are located in Clackamas County.
What is the racial composition of students in Clackamas County?
Clackamas County public preschools minority enrollment is 31% of the student body (majority Hispanic), which is less than the Oregon public preschools average of 52% (majority Hispanic).
Which public preschools in Clackamas County are often viewed compared to one another?
Popular comparisons of public preschools in Clackamas County include: Lowrie Primary School vs. Boones Ferry Primary School, Boeckman Creek Primary School vs. Boones Ferry Primary School, Boones Ferry Primary School vs. Lowrie Primary School
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