Private School Review - Established 2003
International Leadership Academy
Christa McAuliffe Academy School of Arts&Sciences (Worldwide) Top 3 · Most AP Courses (OR)
Mountain Park KinderCare

Lake Oswego Private Schools

For the 2026-27 school year, there are 13 private schools serving 1,288 students in Lake Oswego, OR, 16% of all K-12 students in Lake Oswego, OR are educated in private schools versus public schools (compared to the OR state average of 10%).
The average acceptance rate is 95%, which is higher than the Oregon private school average acceptance rate of 88%.
31% of private schools in Lake Oswego, OR are religiously affiliated (most commonly Christian and Catholic).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Lake Oswego Private Schools (2026-27)

Christa McAuliffe Academy School of Arts&Sciences (Worldwide) Photo
Christa McAuliffe Academy School of Arts&Sciences (Worldwide)
Gr: K-12 | 423 students
Extracurriculars: 25
Alternative School
5200 Meadows Rd Ste 150
Lake Oswego, OR 97035
(503) 226-7374
View Profile
International Leadership Academy Photo
International Leadership Academy
Gr: PK-5 | 105 students
Sports: 8 | Extracurriculars: 2
Alternative School
14788 Boones Ferry Road
Lake Oswego, OR 97035
(503) 662-8452
View Profile
Map of The Childrens Hour Academy
The Childrens Hour Academy
Gr: PK-2 | 88 students
Avg. class size: 10 students
Christian
17650 SW 65th Ave
Lake Oswego, OR 97035
(503) 635-2139
(3)
View Profile
Map of Our Lady Of The Lake Catholic School
Our Lady Of The Lake Catholic School
Gr: K-8 | 223 students
Catholic
716 A Ave
Lake Oswego, OR 97034
(503) 636-2121
(3)
View Profile
Park Academy Photo
Park Academy
Gr: 3-12 | 91 students
Avg. class size: 13 students
Special Education School
1915 South Shore Blvd
Lake Oswego, OR 97034
(503) 594-8800
(1)
View Profile
Map of Acton Academy Lake Oswego
Acton Academy Lake Oswego
Gr: PK-2
Avg. class size: 10 students
Montessori School (Christian)
4565 Carman Dr. Lake Oswego, OR 97035
Lake Oswego, OR 97035
(503) 208-5387
View Profile
Map of Chinese American International School
Chinese American International School
Gr: PK-K | 23 students
Specialized Curriculum
1855 Southshore Blvd
Lake Oswego, OR 97034
(503) 348-3028
View Profile
Lake Grove KinderCare Photo
Lake Grove KinderCare
Gr: NS-PK | 45 students
Avg. class size: 10 students
Daycare / Preschool
3700 Red Cedar Way
Lake Oswego, OR 97035
(503) 635-8982
View Profile
Map of Lake Oswego Montessori School
Lake Oswego Montessori School
Gr: NS
Montessori School
17823 SW Central Avenue
Lake Oswego, OR 97035
(503) 744-0454
View Profile
Mountain Park KinderCare Photo
Mountain Park KinderCare
Gr: NS-PK
Daycare / Preschool
11 Monroe Pkwy
Lake Oswego, OR 97035
(503) 636-4077
(1)
View Profile
Map of Rocking Horse Day School
Rocking Horse Day School
Gr: PK-K | 62 students
Daycare / Preschool
15750 Upper Boones Ferry Rd
Lake Oswego, OR 97035
(503) 639-0231
View Profile
Map of Sonshine Express Preschool
Sonshine Express Preschool
Gr: PK-K | 130 students
Avg. class size: 14 students
Daycare / Preschool (Christian)
40 Mcnary Parkway
Lake Oswego, OR 97035
(503) 635-3761
View Profile
Map of West Hills Montessori School-lake Oswego
West Hills Montessori School-lake Oswego
Gr: PK-K | 68 students
Montessori School
4515 Parkview Dr
Lake Oswego, OR 97035
(503) 351-6444
View Profile
[+] Show Closed Private Schools in Lake Oswego, Oregon

Lake Oswego, Oregon Private Schools (Closed)

Map of Village Montessori Children's House
Village Montessori Children's House
Gr: K | 15 students
Montessori School
4320 SW Douglas Way
Lake Oswego, OR 97035
(503) 675-8565
(1)
View Profile

Lake Oswego, OR Private School Trends (10-Year)

13
Private Schools
+8.3% (+1 school) 10-yr
1,288
Students
+17.8% (+195 students) 10-yr
$14,537
Avg. Tuition
12
Avg. Class Size
32%
Students of Color
-11.1% (-4.0 pp) 10-yr
15:1
Student-Teacher Ratio
+15.4% (+2.0) 10-yr
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Lake Oswego)
This State (OR)
# Schools
13 Schools
461 Schools

Trends in Total Number of Private Schools

YearLake Oswego, OR Total Schools
202512
202412
202312
202212
202112
202012
201912
201813
201711
201612
201512
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# Students
1,288 Students
58,337 Students

Trends in the Average Number of Students Per Private School

YearLake Oswego, OR AvgOregon (OR)National
2025120131179
2024126128172
2023126125174
202290128185
202190126180
202088118171
201977120175
201877119172
201799124180
201691123178
2015109119167
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% Students of Color
32%
26%

Percentage of Students of Color Trends (2015-2025)

YearLake Oswego, OR AvgOregon (OR)National
202530%25%34%
202428%25%34%
202322%25%33%
202225%25%33%
202125%25%32%
202025%24%32%
201923%24%31%
201822%23%31%
201742%25%32%
201643%25%32%
201536%25%32%
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0.58
0.61

Diversity Score Trends

YearLake Oswego, OR AvgOregon (OR)National
20250.570.610.65
20240.580.610.65
20230.580.620.65
20220.560.610.64
20210.560.610.64
20200.570.610.64
20190.580.610.63
20180.590.610.63
20170.580.570.61
20160.580.570.61
20150.560.570.61
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Show more data/charts: racial breakdown
# American Indian Students
6 Students
403 Students
% American Indian Students
1%
1%
# Asian Students
43 Students
2,978 Students
% Asian Students
3%
5%

Asian Student Percentage Trends

YearLake Oswego, OR AvgOregon (OR)National
20254%5%5%
20244%5%5%
20234%5%5%
20224%5%4%
20214%5%4%
20204%5%4%
20193%5%4%
20184%5%4%
20175%5%4%
20165%5%4%
20155%5%4%
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# Hispanic Students
47 Students
3,638 Students
% Hispanic Students
4%
6%

Hispanic Student Percentage Trends

YearLake Oswego, OR AvgOregon (OR)National
20254%6%9%
20244%6%9%
20233%7%9%
20222%6%8%
20212%6%9%
20203%6%9%
20193%6%8%
20183%6%8%
20172%4%8%
20162%4%8%
20152%4%8%
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# Black Students
34 Students
1,639 Students
% Black Students
3%
3%

Black Student Percentage Trends

YearLake Oswego, OR AvgOregon (OR)National
20253%3%7%
20243%3%7%
20232%3%8%
20222%3%7%
20212%3%7%
20202%3%8%
20192%3%7%
20182%3%7%
20172%2%7%
20162%2%7%
20152%2%8%
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# White Students
694 Students
31,766 Students
% White Students
54%
55%

White Student Percentage Trends

YearLake Oswego, OR AvgOregon (OR)National
202557%55%52%
202454%55%52%
202352%54%52%
202236%54%54%
202136%55%54%
202036%55%54%
201941%55%56%
201845%55%56%
201747%59%58%
201646%59%58%
201557%60%58%
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# Hawaiian Students
3 Students
379 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
453 Students
17,056 Students
% of Others Students
35%
29%

Other Races Student Percentage Trends

YearLake Oswego, OR AvgOregon (OR)National
202532%29%26%
202435%29%26%
202338%30%25%
202256%30%25%
202156%30%25%
202055%30%24%
201951%30%24%
201846%30%23%
201744%29%22%
201645%29%22%
201534%28%21%
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All Ethnic Groups
Academics
# Teachers
89 Teachers
5,015 Teachers
Average Student-Teacher Ratio
15:1
12:1

Student-Teacher Ratio Trends (2015-2025)

YearLake Oswego, OR AvgOregon (OR)National
202514:112:111:1
202416:112:111:1
202317:112:111:1
202215:113:111:1
202115:113:111:1
202013:113:112:1
201912:113:112:1
201812:113:112:1
201711:112:112:1
201611:112:112:1
201513:113:112:1
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% Average Faculty w/Advanced Degree
80%
63%
Average Class Size
12 students
16 students
Average Number of AP Courses
19 courses
12 courses
Average SAT score
1250
(Out of 1600)
1243
Average ACT score
28
(Out of 36)
27
Tuition & Aid
Average Yearly Tuition Cost
$14,537
$10,558
Average Summer Program Cost
$698
$722
Average % on Financial Aid
30%
30%
Admissions & Athletics
Average Acceptance Rate
95%
88%
Average Number of Extracurriculars
14 extracurriculars
7 extracurriculars
Average Number of Sports
8 sports
6 sports

Frequently Asked Questions

What are the top ranked private schools in Lake Oswego, OR?
The top ranked private schools in Lake Oswego, OR include Park Academy, Our Lady Of The Lake Catholic School, and The Childrens Hour Academy.
How many private schools are located in Lake Oswego?
13 private schools are located in Lake Oswego.
How diverse are private schools in Lake Oswego?
Lake Oswego private schools are approximately 32% minority students, which is higher than the Oregon private school average of 26%.
What percentage of students in Lake Oswego go to private school?
16% of all K-12 students in Lake Oswego are educated in private schools (compared to the OR state average of 10%).
What percentage of private schools are religiously affiliated in Lake Oswego?
31% of private schools in Lake Oswego are religiously affiliated (most commonly Christian and Catholic).

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