Island School Photo - Driving into Island School's campus it is not uncommon to see a beautiful rainbow but in this occasion we were lucky enough to see a double rainbow.

Best Kauai County Private Schools (2026)

For the 2026 school year, there are 7 private schools serving 1,145 students in Kauai County, HI (there are 21 public schools, serving 9,408 public students). 11% of all K-12 students in Kauai County, HI are educated in private schools (compared to the HI state average of 20%).
The top-ranked private schools in Kauai County, HI include St. Theresa School, Kahili Adventist School, and Island School.
The average acceptance rate is 62%, which is lower than the Hawaii private school average acceptance rate of 78%.
71% of private schools in Kauai County, HI are religiously affiliated (most commonly Christian and Catholic).

Top-Ranked Kauai County Private Schools (2026)

School
Location
Quick Facts
Kauai Christian Academy
Kauai Christian Academy Photo - Kauai Christian Academy's 10 acre campus
(Christian)
(6)
4000 Kilauea Rd
Kilauea, HI 96754
(808) 828-0047
Gr: PK-12 | 229 students Avg. class size: 15 students Sports: 5 | Extracurrculars: 3 Tuition & acceptance rate listed
Island School
Island School Photo - Driving into Island School's campus it is not uncommon to see a beautiful rainbow but in this occasion we were lucky enough to see a double rainbow.
(1)
3-1875 Kaumualii Hwy
Lihue, HI 96766
(808) 246-0233
Gr: PK-12 | 458 students Avg. class size: 17 students Sports: 13 | Extracurrculars: 9 Tuition & acceptance rate listed
Kahili Adventist School
Kahili Adventist School Photo
(Seventh Day Adventist)
4-1132 Kuhio Hwy.
Kapaa, HI 96746
(808) 855-0208
Gr: PK-8 | 32 students Avg. class size: 13 students Tuition listed
St. Catherine School
(Catholic)
(1)
5021 Kawaihau Road
Kapaa, HI 96746
(808) 822-4212
Gr: PK-8 | 156 students Avg. class size: 12 students Sports: 1 Tuition & acceptance rate listed
St. Theresa School
(Catholic)
8311 Kaumualii Highway
Kekaha, HI 96752
(808) 337-1351
Gr: PK-8 | 149 students Sports: 1 Tuition listed
Natural Bridges School
Montessori School
(1)
Po Box 727
Kilauea, HI 96754
(808) 828-0353
Gr: K | 30 students
Olelo Christian Academy
Olelo Christian Academy Photo
(Christian)
(2)
4212 Rice Street
Lihue, HI 96766
(808) 246-6535
Gr: PK-11 | 91 students Avg. class size: 12 students Extracurrculars: 1 Tuition listed

Overview

This County (Kauai County)
This State (HI)
# Schools
7 Schools

Student Body:

# Students
1,145 Students
41,169 Students
% Average Students of Color
50%
72%

Academics and Faculty:

# Teachers
107 Teachers
3,737 Teachers
Average Student-Teacher Ratio
11:1
11:1
% Average Faculty w/Advanced Degree
55%
52%
Average Class Size
14 students
17 students
Average Number of AP Courses
8 courses
12 courses
Average SAT score
1259
(Out of 1600)
1220
Average ACT score
27
(Out of 36)
27

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$9,394
$15,827
Average Summer Program Cost
$650
$1,603
Average % on Financial Aid
33%
35%
Average Financial Aid Grant
$4,500
$5,147
Average Acceptance Rate
62%
78%
Average Endowment Size
$51.75 million
$804.5 million

Students by Ethnicity:

0.63
0.76
# American Indian Students
5 Students
903 Students
% American Indian Students
n/a
2%
# Asian Students
75 Students
11,908 Students
% Asian Students
7%
30%
# Hispanic Students
27 Students
958 Students
% Hispanic Students
2%
2%
# Black Students
11 Students
404 Students
% Black Students
1%
1%
# White Students
251 Students
7,818 Students
% White Students
22%
19%
# Hawaiian Students
146 Students
5,495 Students
% Hawaiian Students
13%
14%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
630 Students
12,723 Students
% of Others Students
55%
32%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
4 extracurriculars
10 extracurriculars
Average Number of Sports
5 sports
9 sports

Frequently Asked Questions

What are the top-ranked private schools in Kauai County, HI?
The top-ranked private schools in Kauai County, HI include St. Theresa School, Kahili Adventist School, and Island School.
How many private schools are located in Kauai County?
7 private schools are located in Kauai County.
How diverse are private schools in Kauai County?
Kauai County private schools are approximately 50% minority students, which is lower than the Hawaii private school average of 72%.
What percentage of students in Kauai County go to private school?
11% of all K-12 students in Kauai County are educated in private schools (compared to the HI state average of 20%).
What percentage of private schools are religiously affiliated in Kauai County?
71% of private schools in Kauai County are religiously affiliated (most commonly Christian and Catholic).
Which private schools in Kauai County are often viewed compared to one another?

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