Grace Academy Photo - As part of their study of Medieval history, fourth grade students build their own catapults.

Best Williamson County Private Schools (2026)

For the 2026 school year, there are 47 private schools serving 7,062 students in Williamson County, TX (there are 175 public schools, serving 122,489 public students). 5% of all K-12 students in Williamson County, TX are educated in private schools (compared to the TX state average of 6%).
The top-ranked private schools in Williamson County, TX include St. Mary's Catholic School, Grace Academy, and The Master's Classical Christian Academy.
The average tuition cost is $17,272, which is higher than the Texas private school average tuition cost of $13,974.
37% of private schools in Williamson County, TX are religiously affiliated (most commonly Christian and Catholic).

Top-Ranked Williamson County Private Schools (2026)

School
Location
Quick Facts
The Master's Classical Christian Academy
The Master's Classical Christian Academy Photo - Meet at the pole.
Special Program Emphasis (Christian)
(6)
3003 Blue Ridge Dr.
Cedar Park, TX 78613
(512) 774-5425
Gr: PK-12 | 58 students Avg. class size: 12 students Sports: 4 | Extracurrculars: 3 Tuition & acceptance rate listed
15101 Avery Ranch Blvd
Austin, TX 78717
(512) 341-8000
Gr: NS-8 Avg. class size: 15 students Tuition & acceptance rate listed
13015 Pond Springs Rd
Austin, TX 78729
(512) 258-1299
Gr: NS-K Tuition & acceptance rate listed
1521 Joyce Ln
Round Rock, TX 78664
(512) 255-8844
Gr: NS-1
Fortis Academy
Special Program Emphasis (Christian)
15611 Hwy 29
Liberty Hill, TX 78642
(512) 548-6024
Gr: PK-12 | 283 students
Grace Academy
Grace Academy Photo - During the senior trip to Italy, students experience history firsthand after studying the art and literature influenced by it throughout their Grace Academy education.
(Christian)
(9)
225 Grace Blvd
Georgetown, TX 78633
(512) 864-9500
Gr: K-12 | 368 students Avg. class size: 18 students Sports: 10 | Extracurrculars: 10 Tuition & acceptance rate listed
Harbor Leadership Academy
Alternative School
1717 Scottsdale Dr. Suite 103
Cedar Park, TX 78641
(512) 219-5673
Gr: 5-12 | 75 students Avg. class size: 10 students Sports: 20 | Extracurrculars: 18 Tuition & acceptance rate listed
Holy Family Catholic School
Holy Family Catholic School Photo
(Catholic)
9400 Neenah Avenue
Austin, TX 78717
(512) 246-4455
Gr: PK-8 | 679 students Avg. class size: 25 students Sports: 9 | Extracurrculars: 17 Tuition listed
Round Rock Christian Academy
Round Rock Christian Academy Photo - Main Entrance
(Christian)
(4)
800 Westwood Drive
Round Rock, TX 78681
(512) 255-4491
Gr: PK-12 | 757 students Avg. class size: 18 students Sports: 16 | Extracurrculars: 31 Tuition & acceptance rate listed
9300 Neenah Ave
Austin, TX 78717
(512) 388-8846
Gr: 9-12 | 400 students Sports: 13
St. Mary's Catholic School
St. Mary's Catholic School Photo
(Catholic)
(3)
520 Washburn St
Taylor, TX 76574
(512) 352-2313
Gr: PK-12 | 269 students Avg. class size: 20 students Sports: 8 | Extracurrculars: 13 Tuition & acceptance rate listed
Sterling Classical School
(Christian)
12800 Angel Side Drive
Leander, TX 78641
(512) 259-2722
Gr: PK-12 | 283 students Tuition listed
2121 Cypress Creek Road
Cedar Park, TX 78613
(512) 250-1369
Gr: PK-12 | 301 students Avg. class size: 18 students Sports: 11 | Extracurrculars: 9 Tuition & acceptance rate listed
Zion Lutheran School
(Lutheran Church Missouri Synod)
6101 Fm 1105
Georgetown, TX 78626
(512) 863-5345
Gr: PK-8 | 236 students Sports: 7 | Extracurrculars: 3 Tuition listed
Abacus School Of Austin
Daycare / Preschool
14115 Avery Ranch Blvd
Austin, TX 78717
(512) 381-2200
Gr: K | 20 students
Abacus School Of Austin
Daycare / Preschool
1720 S Bagdad Rd
Leander, TX 78641
(512) 806-7788
Gr: PK-K | 165 students
Applegate Adventist Junior Academy
(Seventh Day Adventist)
4 Applegate Cir
Round Rock, TX 78665
(512) 388-7870
Gr: 1-8 | 10 students
Austin Childrens Academy
Montessori School
12310 Ranch Road 620 N
Austin, TX 78750
(512) 643-5712
Gr: PK-1 | 100 students Tuition listed
Blooming Scholars Montessori School
Montessori School
405 W Main St
Round Rock, TX 78664
(512) 573-9888
Gr: PK-K | 39 students
Bright Star Academy Schools
Bright Star Academy Schools Photo
Daycare / Preschool
801 N Vista Ridge Blvd
Cedar Park, TX 78613
(512) 257-7827
Gr: NS-K Avg. class size: 10 students Tuition & acceptance rate listed
Brushy Creek Montessori School
Montessori School
307 Glacial Stream Ln
Cedar Park, TX 78613
(512) 259-3333
Gr: PK-K | 130 students
Carpe Diem Private Preschool - Cedar Park
Carpe Diem Private Preschool - Cedar Park Photo
Daycare / Preschool
14009 Ronald Reagan Blvd.
Leander, TX 78641
(512) 229-0373
Gr: NS-PK Avg. class size: 16 students Tuition listed
Cedar Park Montessori School
Cedar Park Montessori School Photo
Montessori School
400 E Whitestone Blvd
Cedar Park, TX 78613
(512) 259-8495
Gr: PK-6 | 102 students Extracurrculars: 8
Community Montessori School
Community Montessori School Photo
Montessori School
500 Pleasant Valley Dr
Georgetown, TX 78626
(512) 863-7920
Gr: NS-8 | 248 students Avg. class size: 20 students Tuition listed
14 Chism Trail
Round Rock, TX 78681
(512) 255-7676
Gr: PK-12 | 59 students
Divine Savior Academy
Divine Savior Academy Photo
(Wisconsin Evangelical Lutheran Synod)
23857 Ronald Reagan Blvd
Liberty Hill, TX 78642
(512) 883-8410
Gr: PK-12 | 247 students Sports: 7 Tuition listed
First Baptist Church Weekday Education
Daycare / Preschool (Baptist)
1333 W University Ave
Georgetown, TX 78628
(512) 943-8103
Gr: PK-K | 236 students
The Goddard School
The Goddard School Photo
Daycare / Preschool
4076 Gattis School Road
Round Rock, TX 78664
(512) 251-6116
Gr: NS-K
The Goddard School Cedar Park
The Goddard School Cedar Park Photo
Daycare / Preschool
1905 El Salido Parkway
Cedar Park, TX 78613
(512) 258-5292
Gr: PK-1 | 147 students
The Goddard School-leander
The Goddard School-leander Photo
Daycare / Preschool
1730 Union Street
Leander, TX 78641
(512) 528-1918
Gr: PK-K | 224 students Tuition listed
Grace Episcopal School
Daycare / Preschool (Episcopal)
1314 E University Ave
Georgetown, TX 78626
(512) 863-6214
Gr: PK-K Avg. class size: 10 students Tuition listed
Guidepost Montessori at Brushy Creek
Guidepost Montessori at Brushy Creek Photo - Our Campus at Brushy Creek
Montessori School
3017 Polar Lane
Cedar Park, TX 78613
(470) 348-7972
Gr: NS-5 | 174 students
Guidepost Montessori at Cypress Creek
Guidepost Montessori at Cypress Creek Photo - "Play is the work of the child"- Maria Montessori
Montessori School
2006 Sun Chase Blvd
Cedar Park, TX 78613
(470) 348-7972
Gr: PK-K
Guidepost Montessori at Round Rock
Montessori School
7210 Wyoming Springs Dr
Round Rock, TX 78681
(949) 569-9098
Gr: NS-K
Kids R Kids #33 Tx
Daycare / Preschool
15111 Avery Ranch Blvd
Austin, TX 78717
(512) 218-9669
Gr: PK-K | 45 students Tuition listed
Show 12 more private schools in Williamson County, TX (out of 47 total schools)
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[+] Show Closed Private Schools in Williamson County, Texas

Williamson County Private Schools (Closed)

School
Location
Quick Facts
3402 Little Elm Trail
Cedar Park, TX 78613
(818) 925-6853
Gr: PK-8 Avg. class size: 7 students Tuition & acceptance rate listed
11651 W Parmer Ln
Cedar Park, TX 78613
(512) 960-2944
Gr: PK-7 | 590 students

Overview

This County (Williamson County)
This State (TX)
# Schools
51 Schools

Student Body:

# Students
7,062 Students
349,790 Students
% Average Students of Color
33%
41%

Academics and Faculty:

# Teachers
565 Teachers
32,404 Teachers
Average Student-Teacher Ratio
14:1
11:1
% Average Faculty w/Advanced Degree
53%
47%
Average Class Size
15 students
14 students
Average Number of AP Courses
11 courses
12 courses
Average SAT score
1244
(Out of 1600)
1231
Average ACT score
28
(Out of 36)
26

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$17,272
$13,974
Average Summer Program Cost
$170
$666
Average % on Financial Aid
16%
23%
Average Financial Aid Grant
$3,181
$5,116
Average Acceptance Rate
89%
83%
Average Endowment Size
$1 million
$43.09 million

Students by Ethnicity:

0.65
0.71
# American Indian Students
18 Students
1,101 Students
% American Indian Students
n/a
n/a
# Asian Students
259 Students
20,251 Students
% Asian Students
4%
6%
# Hispanic Students
656 Students
53,901 Students
% Hispanic Students
10%
16%
# Black Students
106 Students
15,813 Students
% Black Students
2%
5%
# White Students
2,411 Students
138,143 Students
% White Students
39%
40%
# Hawaiian Students
7 Students
500 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
2,777 Students
112,501 Students
% of Others Students
45%
33%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
12 extracurriculars
9 extracurriculars
Average Number of Sports
10 sports
8 sports

Frequently Asked Questions

What are the top-ranked private schools in Williamson County, TX?
The top-ranked private schools in Williamson County, TX include St. Mary's Catholic School, Grace Academy, and The Master's Classical Christian Academy.
How many private schools are located in Williamson County?
47 private schools are located in Williamson County.
How much do private schools cost in Williamson County?
The average tuition cost is $17,272, which is higher than the Texas private school average tuition cost of $13,974.
How diverse are private schools in Williamson County?
Williamson County private schools are approximately 33% minority students, which is lower than the Texas private school average of 41%.
What percentage of students in Williamson County go to private school?
5% of all K-12 students in Williamson County are educated in private schools (compared to the TX state average of 6%).
What percentage of private schools are religiously affiliated in Williamson County?
37% of private schools in Williamson County are religiously affiliated (most commonly Christian and Catholic).
Which private schools in Williamson County are often viewed compared to one another?

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