Mountain Park KinderCare Photo - Mt. Park KinderCare

Best Lake Oswego Private Schools (2026)

For the 2026 school year, there are 12 private schools serving 1,195 students in Lake Oswego, OR (there are 11 public schools, serving 6,758 public students). 15% of all K-12 students in Lake Oswego, OR are educated in private schools (compared to the OR state average of 10%).
The top-ranked private schools in Lake Oswego, OR include Park Academy, Christa McAuliffe Academy School of Arts&Sciences (Worldwide), and The Childrens Hour Academy.
The average acceptance rate is 95%, which is higher than the Oregon private school average acceptance rate of 83%.
25% of private schools in Lake Oswego, OR are religiously affiliated (most commonly Christian and Catholic).

Top-Ranked Lake Oswego Private Schools (2026)

School
Location
Quick Facts
5200 Meadows Rd Ste 150
Lake Oswego, OR 97035
(503) 226-7374
Gr: K-12 | 377 students Tuition listed
International Leadership Academy
International Leadership Academy Photo
Alternative School
14788 Boones Ferry Road
Lake Oswego, OR 97035
(503) 662-8452
Gr: PK-5 | 88 students Sports: 8 Tuition listed
The Childrens Hour Academy
(Christian)
(3)
17650 SW 65th Ave
Lake Oswego, OR 97035
(503) 635-2139
Gr: PK-2 | 88 students Avg. class size: 10 students Tuition listed
Our Lady Of The Lake Catholic School
(Catholic)
(3)
716 A Ave
Lake Oswego, OR 97034
(503) 636-2121
Gr: K-8 | 223 students
Park Academy
Park Academy Photo - A group of upper school students pose for a photo on the deck outside their classrooms.
Special Education School
(1)
1915 South Shore Blvd
Lake Oswego, OR 97034
(503) 594-8800
Gr: 3-12 | 91 students Avg. class size: 13 students Tuition & acceptance rate listed
Chinese American International School
Special Program Emphasis
1855 Southshore Blvd
Lake Oswego, OR 97034
(503) 348-3028
Gr: PK-K | 23 students
Lake Grove KinderCare
Lake Grove KinderCare Photo - Welcome to Lake Grove KinderCare
Daycare / Preschool
3700 Red Cedar Way
Lake Oswego, OR 97035
(503) 635-8982
Gr: NS-PK | 45 students Avg. class size: 10 students
Lake Oswego Montessori School
Montessori School
17823 SW Central Avenue
Lake Oswego, OR 97035
(503) 744-0454
Gr: NS
Mountain Park KinderCare
Mountain Park KinderCare Photo - Mt. Park KinderCare
Daycare / Preschool
(1)
11 Monroe Pkwy
Lake Oswego, OR 97035
(503) 636-4077
Gr: NS-PK
Rocking Horse Day School
Daycare / Preschool
15750 Upper Boones Ferry Rd
Lake Oswego, OR 97035
(503) 639-0231
Gr: PK-K | 62 students
Sonshine Express Preschool
Daycare / Preschool (Christian)
40 Mcnary Parkway
Lake Oswego, OR 97035
(503) 635-3761
Gr: PK-K | 130 students Avg. class size: 14 students Tuition & acceptance rate listed
West Hills Montessori School-lake Oswego
Montessori School
4515 Parkview Dr
Lake Oswego, OR 97035
(503) 351-6444
Gr: PK-K | 68 students Tuition listed
[+] Show Closed Private Schools in Lake Oswego, Oregon

Lake Oswego, Oregon Private Schools (Closed)

School
Location
Quick Facts
4320 SW Douglas Way
Lake Oswego, OR 97035
(503) 675-8565
Gr: K | 15 students

Overview

This Town (Lake Oswego)
This State (OR)
# Schools
12 Schools

Student Body:

# Students
1,195 Students
58,109 Students
% Average Students of Color
30%
25%

Academics and Faculty:

# Teachers
86 Teachers
5,003 Teachers
Average Student-Teacher Ratio
14:1
12:1
% Average Faculty w/Advanced Degree
80%
62%
Average Class Size
12 students
16 students
Average Number of AP Courses
16 courses
12 courses
Average SAT score
1250
(Out of 1600)
1241
Average ACT score
28
(Out of 36)
27

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$14,785
$12,154
Average Summer Program Cost
$698
$684
Average % on Financial Aid
30%
30%
Average Acceptance Rate
95%
83%

Students by Ethnicity:

0.57
0.61
# American Indian Students
6 Students
403 Students
% American Indian Students
n/a
1%
# Asian Students
43 Students
2,979 Students
% Asian Students
4%
5%
# Hispanic Students
47 Students
3,643 Students
% Hispanic Students
4%
6%
# Black Students
34 Students
1,640 Students
% Black Students
3%
3%
# White Students
694 Students
31,792 Students
% White Students
57%
55%
# 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
390 Students
17,001 Students
% of Others Students
32%
29%
All Ethnic Groups

Extracurriculars and Sports:

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, Christa McAuliffe Academy School of Arts&Sciences (Worldwide), and The Childrens Hour Academy.
How many private schools are located in Lake Oswego?
12 private schools are located in Lake Oswego.
How diverse are private schools in Lake Oswego?
Lake Oswego private schools are approximately 30% minority students, which is higher than the Oregon private school average of 25%.
What percentage of students in Lake Oswego go to private school?
15% 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?
25% of private schools in Lake Oswego are religiously affiliated (most commonly Christian and Catholic).

Recent Articles

Free Private Schools & Voucher Programs in 2025
Free Private Schools & Voucher Programs in 2025
Updated guide to free private schools and school voucher programs, 2025 policies, costs, equity issues, and how families access tuition support.
Social Emotional Learning 2025: Policy, Practice and Outcomes
Social Emotional Learning 2025: Policy, Practice and Outcomes
Updated 2025 review of social emotional learning in schools, research outcomes, key trends, challenges and future paths for parents and educators.
Private School Admissions for Siblings: Costs and Timing
Private School Admissions for Siblings: Costs and Timing
Learn how private school admissions for siblings affect costs, discounts, and timing strategies for families planning multiple enrollments.