St. John XXIII College Preparatory, located in Katy, Texas, was founded in 2004 and is a competitive, coeducational, college preparatory high school of 453 students from the areas of Katy, Sugar Land, Cypress, Spring, Richmond, Rosenberg, Memorial, Fulshear, and Spring Branch.
Thirty-nine teaching faculty are employed with 56% holding master's degrees or above.
The class of 2025 received more than $6 million in scholarships, accumulated more than 10,000 service hours, and had a 100% college acceptance rate.
Quick Facts (2026)
- Top-Ranked TX School
- Grades: 9-12
- Enrollment: 409 students
- Yearly Tuition: $21,000
- Average class size: 18 students
- Application Deadline: Jan. 31
- Source: Verified school update
Top Rankings
St. John XXIII College Preparatory ranks among the top 20% of private schools in Texas for:
Category
Attribute
SAT Score
ACT Score
Student Body
Sports offered
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Year Founded
2001
Colors
Crimson, Gold
School Calendar
Campus Size
35 acres
Student Body
Total Students
409 students
Student Body Type
Co-ed
% Students of Color
23%
State avg.: 42%
Students by Grade
Academics and Faculty
Total Classroom Teachers
36 teachers
Student-Teacher Ratio
11:1
National avg.:
% Faculty w/Advanced Degree
50%
Average Class Size
18 students
Number of AP/Advanced Courses
16 courses
List of Courses Offered
Average SAT score
1400
(Out of 1600)
Average ACT score
32
(Out of 36)
Matriculation DataMatric. Data
Classroom Dress Code
Casual
Pants, shirts, skirts, polos
Tuition and Acceptance Rate
Admission Deadline
Jan. 31
Yearly Tuition Cost
$21,000
Tuition Notes
2026-2027 Tuition $22,100
2nd Student Tuition $17,680
Returning Student Re-Enrollment Fee (Feb - March 31) $500
Returning Student LATE Re-Enrollment Fee (After March 31) $600
New Student Enrollment Fee $500
College Acceptance Rate
100%
Admissions Director
Preston Smith
Admissions Associate
Anne Marie Noonan
Application URL
Sports
Total Sports Offered
15 sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
7 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Arts and Music Programs:
Bell Choir
Arts and Music Programs:
ArtBand
ChoirComedy Sportz
Guitar EnsembleTheater Arts
School Notes
- School Motto: Parare Mente et Corde
- School Mascot: Lion
- St. John XXIII College Preparatory forms the hearts and minds of young men and women in a Christ-centered community dedicated to academic excellence, the pursuit of virtue, and service to others in the Tradition of the Catholic Church.St. John XXIII College Preparatory is an independent co-educational Catholic high school located in the greater-Houston suburb of Katy, Texas. Founded in 2001, our mission rests on Four Pillars which reflect the papacy of our patron, Pope St. John XXIII, and the transformative spirit of the Second Vatican Council which he convened in 1962.
Source: Verified school update
Frequently Asked Questions
How much does St. John XXIII College Preparatory cost?
St. John XXIII College Preparatory's tuition is approximately $21,000 for private students.
What sports does St. John XXIII College Preparatory offer?
St. John XXIII College Preparatory offers 15 interscholastic sports: Baseball, Basketball, Cheering, Cross Country, Dance, Drill Team, Football, Golf, Soccer, Softball, Swimming, Tennis, Track and Field, Volleyball and Winter Track. St. John XXIII College Preparatory is ranked as one of the top 20% of private schools in Texas for most sports offered.
What is St. John XXIII College Preparatory's ranking?
St. John XXIII College Preparatory ranks among the top 20% of private schools in Texas for: Highest average SAT score, Highest average ACT score, Largest student body and Most sports offered.
When is the application deadline for St. John XXIII College Preparatory?
The application deadline for St. John XXIII College Preparatory is Jan. 31.
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The nearest high school to St. John XXIII College Preparatory is Houston Quran Academy (2.4 miles away)
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The nearest preschool is Primrose School Of Cinco Ranch (0.8 miles away)
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2203 N. Westgreen Blvd
Katy, TX 77449
(713) 290-9025
Katy, TX 77449
(713) 290-9025
3.4 miles
Gr: PK-12 | 1,200 students Avg. class size: 18 students Sports: 18 | Extracurrculars: 9 Tuition & acceptance rate listed
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Katy, TX 77493
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(281) 392-4477
4.5 miles
Gr: 8-12 | 26 students Avg. class size: 8 students Extracurrculars: 6 Tuition & acceptance rate listed
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Katy, TX 77450
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Katy, TX 77450
(281) 392-0010
Katy, TX 77450
(281) 392-0010
0.9 miles
Gr: K | 10 students
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(281) 392-6770
Katy, TX 77450
(281) 392-6770
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Katy Gt Academy & Montessori
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Katy, TX 77450
(281) 646-7360
Katy, TX 77450
(281) 646-7360
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Gr: NS-K
Spanish Schoolhouse
Daycare / Preschool
2944 S Mason Rd Ste L
Katy, TX 77450
(832) 437-0570
Katy, TX 77450
(832) 437-0570
1.2 miles
Gr: PK-K | 169 students
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Miles
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1902 Baker Rd
Houston, TX 77094
(281) 717-4622
Houston, TX 77094
(281) 717-4622
2.4 miles
Gr: K-12 | 244 students
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Katy, TX 77449
(281) 829-1175
Katy, TX 77449
(281) 829-1175
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Gr: NS-12 | 80 students Sports: 2 Tuition listed
2203 N. Westgreen Blvd
Katy, TX 77449
(713) 290-9025
Katy, TX 77449
(713) 290-9025
3.4 miles
Gr: PK-12 | 1,200 students Avg. class size: 18 students Sports: 18 | Extracurrculars: 9 Tuition & acceptance rate listed
Berean Christian Academy ![Berean Christian Academy Photo - Berean Christian Academy is a 5-day classical Christian School located in Katy, Tx.]( "Berean Christian Academy Photo - Berean Christian Academy is a 5-day classical Christian School located in Katy, Tx.")
Special Program Emphasis (Christian)
600 Pin Oak Road
Katy, TX 77494
(346) 307-7491
Katy, TX 77494
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Epiphany Of The Lord Catholic School
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Katy, TX 77450
(832) 391-6500
Katy, TX 77450
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Gr: PK-5 | 140 students
2402 S Westgreen Blvd
Katy, TX 77450
(281) 828-1600
Katy, TX 77450
(281) 828-1600
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Gr: PK-1 | 58 students
1902 Baker Rd
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(281) 717-4622
Houston, TX 77094
(281) 717-4622
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Katy, TX 77449
(281) 492-7400
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Gr: NS-1 | 68 students
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(281) 829-1175
Katy, TX 77449
(281) 829-1175
2.9 miles
Gr: NS-12 | 80 students Sports: 2 Tuition listed
School
Location
Miles
Quick Facts
Primrose School Of Cinco Ranch
Daycare / Preschool
1540 S Peek Rd
Katy, TX 77450
(281) 693-7711
Katy, TX 77450
(281) 693-7711
0.8 miles
Gr: NS-K | 150 students
Cinco Ranch Montessori
Montessori School
2530 S Peek Rd
Katy, TX 77450
(281) 392-0010
Katy, TX 77450
(281) 392-0010
0.9 miles
Gr: K | 10 students
West Kingsland KinderCare ![West Kingsland KinderCare Photo - Building Front]( "West Kingsland KinderCare Photo - Building Front")
Daycare / Preschool
22129 Kingsland Blvd.
Katy, TX 77450
(281) 392-6770
Katy, TX 77450
(281) 392-6770
1 miles
Gr: NS-PK
Katy Gt Academy & Montessori
Montessori School
21020 Highland Knolls Dr
Katy, TX 77450
(281) 646-7360
Katy, TX 77450
(281) 646-7360
1.2 miles
Gr: NS-K
Spanish Schoolhouse
Daycare / Preschool
2944 S Mason Rd Ste L
Katy, TX 77450
(832) 437-0570
Katy, TX 77450
(832) 437-0570
1.2 miles
Gr: PK-K | 169 students
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Miles
Quick Facts
(Math: 40% | Reading: 54%)
Rank:
Rank:
6/
Top 50%10
21603 Park Tree Ln
Katy, TX 77450
(281) 237-5856
Katy, TX 77450
(281) 237-5856
0.7 miles
Gr: PK-5 | 714 students Student-Teacher Ratio: 10:1 Minority enrollment: 87%
(Math: 28% | Reading: 61%)
Rank:
Rank:
5/
Bottom 50%10
1100 S Peek Rd
Katy, TX 77494
(281) 237-6900
Katy, TX 77494
(281) 237-6900
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Gr: PK-5 | 495 students Student-Teacher Ratio: 11:1 Minority enrollment: 70%
(Math: 74% | Reading: 74%)
Rank:
Rank:
10/
Top 10%10
2100 Greenway Village Dr
Katy, TX 77494
(281) 237-6450
Katy, TX 77494
(281) 237-6450
1.1 miles
Gr: PK-5 | 945 students Student-Teacher Ratio: 13:1 Minority enrollment: 63%
(Math: 61% | Reading: 71%)
Rank:
Rank:
9/
Top 20%10
21203 Park Timbers
Katy, TX 77450
(281) 237-3200
Katy, TX 77450
(281) 237-3200
1.1 miles
Gr: PK-5 | 515 students Student-Teacher Ratio: 11:1 Minority enrollment: 55%
(Math: 59% | Reading: 54%)
Rank:
Rank:
8/
Top 30%10
21203 Highland Knolls
Katy, TX 77450
(281) 237-5800
Katy, TX 77450
(281) 237-5800
1.1 miles
Gr: 6-8 | 766 students Student-Teacher Ratio: 12:1 Minority enrollment: 56%
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