For the 2025 school year, there are 12 public charter schools serving 7,369 students in Williamson County, TX.
The top ranked public charter schools in Williamson County, TX are Meridian World School Llc, Gateway College Preparatory School and Harmony School Of Endeavor Austin. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Williamson County, TX public charter schools have an average math proficiency score of 58% (versus the Texas public charter school average of 35%), and reading proficiency score of 74% (versus the 49% statewide average). Charter schools in Williamson County have an average ranking of 10/10, which is in the top 5% of Texas public charter schools.
Minority enrollment is 71% of the student body (majority Asian and Hispanic), which is less than the Texas public charter school average of 88% (majority Hispanic).
Best Public Charter Schools in Williamson County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Meridian World School Llc
Charter School
(Math: 66% | Reading: 79%)
Rank:
Rank:
10/
Top 10%10
2555 N Ih 35
Round Rock, TX 78664
(512) 660-5230
Round Rock, TX 78664
(512) 660-5230
Grades: K-12
| 1,729 students
Rank: #22.
Gateway College Preparatory School
Charter School
(Math: 60% | Reading: 80%)
Rank:
Rank:
10/
Top 10%10
3360 Westinghouse Rd
Georgetown, TX 78626
(512) 868-4947
Georgetown, TX 78626
(512) 868-4947
Grades: K-12
| 1,626 students
Rank: #33.
Harmony School Of Endeavor Austin
Charter School
(Math: 61% | Reading: 71%)
Rank:
Rank:
9/
Top 20%10
13415 Fm 620 N
Austin, TX 78717
(512) 284-9880
Austin, TX 78717
(512) 284-9880
Grades: PK-12
| 961 students
Rank: #44.
Idea Round Rock Tech College Preparatory
Charter School
(Math: 55-59% | Reading: 70-74%)
Rank:
Rank:
9/
Top 20%10
3301 Greenlawn Blvd
Round Rock, TX 78664
(512) 297-3974
Round Rock, TX 78664
(512) 297-3974
Grades: 6-9
| 433 students
Rank: #55.
Idea Round Rock Tech Academy
Charter School
(Math: 40-44% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
3301 Greenlawn Blvd
Round Rock, TX 78664
(512) 822-4750
Round Rock, TX 78664
(512) 822-4750
Grades: K-5
| 714 students
Rank: #66.
Annunciation Maternity Home
Alternative School
Charter School
Charter School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
3610 Shell Rd
Georgetown, TX 78628
(512) 644-9111
Georgetown, TX 78628
(512) 644-9111
Grades: 8-12
| 2 students
Rank: #77.
Gateway Tech High School
Alternative School
Charter School
Charter School
(Math: 20-29% | Reading: 40-59%)
Rank:
Rank:
4/
Bottom 50%10
2951 Williams Dr
Georgetown, TX 78628
(512) 868-5299
Georgetown, TX 78628
(512) 868-5299
Grades: 9-12
| 46 students
Rank: #88.
Goodwater Montessori School
Charter School
(Math: 20-24% | Reading: 45-49%)
Rank:
Rank:
3/
Bottom 50%10
710 Stadium Dr
Georgetown, TX 78626
(512) 966-5484
Georgetown, TX 78626
(512) 966-5484
Grades: PK-8
| 396 students
Rank: #99.
Ki Charter Academy Liberty Hill
Charter School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
12550 Hwy 29
Liberty Hill, TX 78642
(512) 528-2100
Liberty Hill, TX 78642
(512) 528-2100
Grades: 4-12
| 112 students
Rank: n/an/a
Basis Cedar Park
Charter School
165 N Lakeline Blvd
Cedar Park, TX 78613
(210) 981-1071
Cedar Park, TX 78613
(210) 981-1071
Grades: 6-9
| 279 students
Rank: n/an/a
Basis Cedar Park Primary
Charter School
165 N Lakeline Blvd
Cedar Park, TX 78613
(210) 981-1071
Cedar Park, TX 78613
(210) 981-1071
Grades: K-5
| 718 students
Rank: n/an/a
Valor Leander
Charter School
906 Crystal Falls Pkwy
Leander, TX 78641
(512) 729-0159
Leander, TX 78641
(512) 729-0159
Grades: K-8
| 353 students
Williamson County Public Schools (Closed)
School
Location
Grades
Students
Cedar Crest (Closed 2004)
Alternative School
404 W 9th St Ste 203
Georgetown, TX 78626
(254) 939-4094
Georgetown, TX 78626
(254) 939-4094
Grades: n/a
| n/a students
Even Start (Closed 2011)
Alternative School
3101 N Main St
Taylor, TX 76574
(512) 352-1730
Taylor, TX 76574
(512) 352-1730
Grades: PK
| n/a students
111 E Ave E
Jarrell, TX 76537
(512) 746-4805
Jarrell, TX 76537
(512) 746-4805
Grades: 3-5
| 428 students
Jhw Inspire Academy - Meridell (Closed 2023)
Alternative School
12550 State Route 29
Liberty Hill, TX 78642
(210) 638-5100
Liberty Hill, TX 78642
(210) 638-5100
Grades: 6-12
| n/a students
Leander Extend Oppor Center (Closed 2007)
Alternative School
P O Box 218
Leander, TX 78641
(512) 434-5003
Leander, TX 78641
(512) 434-5003
Grades: K-12
| n/a students
Leander Extended Opportunity Center (Leo) (Closed 2023)
Alternative School
204 W S St
Leander, TX 78646
(512) 570-2230
Leander, TX 78646
(512) 570-2230
Grades: 9-12
| 7 students
Lott Detention Center (Closed 2009)
Alternative School
200 Wilco Way
Jarrell, TX 76537
(512) 746-2124
Jarrell, TX 76537
(512) 746-2124
Grades: 10
| 1 students
1311 Round Rock Ave
Round Rock, TX 78681
(512) 464-5000
Round Rock, TX 78681
(512) 464-5000
Grades: 9-12
| n/a students
New Alternative High School (Closed 2013)
Alternative School
1311 Round Rock Ave
Round Rock, TX 78681
(512) 464-5022
Round Rock, TX 78681
(512) 464-5022
Grades: 9-12
| n/a students
1311 Round Rock Ave
Round Rock, TX 78681
(512) 464-5022
Round Rock, TX 78681
(512) 464-5022
Grades: K-5
| n/a students
1311 Round Rock Ave
Round Rock, TX 78681
(512) 464-5022
Round Rock, TX 78681
(512) 464-5022
Grades: n/a
| n/a students
1311 Round Rock Ave
Round Rock, TX 78681
(512) 464-5022
Round Rock, TX 78681
(512) 464-5022
Grades: n/a
| n/a students
Rock Springs High School (Closed 2023)
Alternative School
700 Southeast Inner Loop
Georgetown, TX 78626
(512) 819-9400
Georgetown, TX 78626
(512) 819-9400
Grades: 7-12
| 7 students
S T E P - C O R E (Closed 2021)
Alternative School
200 Wilco Way
Georgetown, TX 78626
(512) 943-3260
Georgetown, TX 78626
(512) 943-3260
Grades: 10-11
| 3 students
S T E P - C O R E (Closed 2021)
Alternative School
200 Wilco Way
Georgetown, TX 78626
(512) 943-3200
Georgetown, TX 78626
(512) 943-3200
Grades: 8-9
| 2 students
S T E P - Detention (Closed 2021)
Alternative School
200 Wilco Way
Georgetown, TX 78626
(512) 943-3260
Georgetown, TX 78626
(512) 943-3260
Grades: 9-11
| 7 students
S T E P - J J A E P (Closed 2009)
Alternative School
1821 Se Inner Loop
Georgetown, TX 78626
(512) 746-2124
Georgetown, TX 78626
(512) 746-2124
Grades: 7-12
| 2 students
S T E P - J J A E P (Closed 2021)
Alternative School
200 Wilco Way
Georgetown, TX 78626
(512) 943-3260
Georgetown, TX 78626
(512) 943-3260
Grades: 10-12
| 6 students
Step - Core (Closed 2021)
Alternative School
200 Wilco Way
Florence, TX 76527
(254) 793-2850
Florence, TX 76527
(254) 793-2850
Grades: 10
| 1 students
Step - Core (Closed 2021)
Alternative School
200 Wilco Way
Georgetown, TX 78626
(512) 943-3200
Georgetown, TX 78626
(512) 943-3200
Grades: 5-12
| n/a students
Step - Core (Closed 2023)
Alternative School
200 Wilco Way
Leander, TX 78646
(512) 943-3260
Leander, TX 78646
(512) 943-3260
Grades: 8-12
| 4 students
Step - Detention (Closed 2005)
Alternative School
1821 Se Inner Loop
Georgetown, TX 78626
(512) 943-3260
Georgetown, TX 78626
(512) 943-3260
Grades: 8-11
| 2 students
Step - Jjaep (Closed 2011)
Alternative School
200 Wilco Way
Georgetown, TX 78626
(512) 943-3595
Georgetown, TX 78626
(512) 943-3595
Grades: 7-11
| 2 students
Step - Jjaep (Closed 2021)
Alternative School
200 Wilco Way
Georgetown, TX 78626
(512) 943-3255
Georgetown, TX 78626
(512) 943-3255
Grades: 12
| 1 students
Step-core (Closed 2023)
Alternative School
200 Wilco Way
Georgetown, TX 78628
(512) 943-3268
Georgetown, TX 78628
(512) 943-3268
Grades: 10
| 1 students
1901 Sunrise Rd
Round Rock, TX 78664
(512) 424-8800
Round Rock, TX 78664
(512) 424-8800
Grades: 9
| n/a students
Success Program East High School (Closed 2009)
Alternative School
1801 Bowman Dr
Round Rock, TX 78664
(512) 428-2901
Round Rock, TX 78664
(512) 428-2901
Grades: 11-12
| 45 students
Travis County J J A E P Middle School (Closed 2009)
Alternative School
204 W S St
Leander, TX 78641
(512) 434-5000
Leander, TX 78641
(512) 434-5000
Grades: 8
| 1 students
Williamson County Core/jjaep (Closed 2005)
Alternative School
200 Wilco Way
Georgetown, TX 78626
(512) 943-3255
Georgetown, TX 78626
(512) 943-3255
Grades: n/a
| n/a students
Williamson County J J A E P (Closed 2021)
Alternative School
1821 Se Inner Loop
Granger, TX 76530
(512) 859-2173
Granger, TX 76530
(512) 859-2173
Grades: n/a
| n/a students
Williamson County J J A E P High School (Closed 2023)
Alternative School
603 Lakeway Dr
Georgetown, TX 78628
(512) 948-4005
Georgetown, TX 78628
(512) 948-4005
Grades: 7-11
| 10 students
Williamson County Juvenile Detention Center (Closed 2005)
Alternative School
701 N College St
Florence, TX 76527
(254) 793-2850
Florence, TX 76527
(254) 793-2850
Grades: 10-11
| n/a students
Williamson County Juvenile Detention Elementary School (Closed 2005)
Alternative School
200 Wilco Way
Georgetown, TX 78626
(512) 943-3232
Georgetown, TX 78626
(512) 943-3232
Grades: 9
| 1 students
Wm S Lott Juvenile Center (Closed 2009)
Alternative School
300 N Colorado St
Granger, TX 76530
(512) 859-2613
Granger, TX 76530
(512) 859-2613
Grades: n/a
| n/a students
Frequently Asked Questions
What are the top ranked public charter schools in Williamson County, TX?
The top ranked public charter schools in Williamson County, TX include Meridian World School Llc, Gateway College Preparatory School and Harmony School Of Endeavor Austin.
How many public charter schools are located in Williamson County?
12 public charter schools are located in Williamson County.
What is the racial composition of students in Williamson County?
Williamson County public charter schools minority enrollment is 71% of the student body (majority Asian and Hispanic), which is less than the Texas public charter schools average of 88% (majority Hispanic).
Which public charter schools in Williamson County are often viewed compared to one another?
Popular comparisons of public charter schools in Williamson County include: Gateway College Preparatory School vs. Meridian World School Llc, Meridian World School Llc vs. Gateway College Preparatory School, Idea Round Rock Tech College Preparatory vs. Idea Round Rock Tech Academy
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