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About
Welcome
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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.
Our Four Pillars
Oboedientia
Learning to trust the voice of God
Pax
Experiencing God’s peace through liturgy
Virtus
Forming character that leads to virtuous action
Renovatio
Renewing the Church and the world
Academics
Counseling
Academic Support Services
Course Selection - Add/Drop Policy
Grading Policy
Textbooks & Summer Reading
Library
Academics
Since 2004, St. John XXIII College Preparatory
educates young men and women through rigorous academic study who will be fully prepared for life's challenges and who will know and understand the teachings of the Catholic Church.
Admissions
Admissions
The Application Process
Transfer Application Process
Tours & Shadow Days
Testing Information
Academic Support Service
International Student Program
Tuition
Financial Aid
Scholarship Application
Blackbaud Tuition Management FAQ's
Admissions
St. John XXIII College Preparatory develops and inspires the mind, body, spirit, and imagination of students by providing a traditional Catholic education.
We educate young men and women who will be fully prepared for life's challenges and who will know and understand the teachings of the Catholic Church.
Campus Ministry
Liturgy and Sacraments
Retreats
Works of Mercy
Listen to Homilies
Campus Ministry
“Prayer is the raising of the mind to God. The actual words matter less.”
~Pope St. John XXIII
Our dynamic Campus Ministry program is committed to playing a vital role in forming the hearts and minds of our students by providing opportunities to encounter Christ through the Liturgy, our Retreat Program, and our Works of Mercy program. Housed in the Center for New Evangelization, Campus Ministry will assist our Theology Department in fostering a love for Christ and an identity rooted in Him.
Student Life
The House System
Student Organizations
Performing Arts
Student Social Media
Student Life
At St. John XXIII, we believe that the formation of our students takes place not only in the classroom but also through participation in extracurricular and co-curricular activities.
We believe that the formation of our students takes place not only in the classroom, but also through participation in extracurricular and co-curricular activities. With 20 clubs, five national honor societies, three student organizations, four performing arts, and 20 athletic opportunities, students have the opportunity to join many clubs and participate in a variety of activities to enhance their high school experience. We also offer nearly two dozen 18 AP, Pre-AP, and honors courses to challenge and inspire.
Athletics
Fall Sports
Winter Sports
Spring Sports
Summer Camps
Program Sponsorships
SJ23 Boosters
Athletics
Since opening its doors in 2004, St. John XXIII College Preparatory has had a tradition of excellence in athletics. Many of our teams have earned district and regional titles, multiple sports have advanced to state over the years, and our swim team has garnered numerous state titles.
Giving
Pillars and Cornerstones Campaign
Give Today!
Annual Fund
2023 Gala: Off to the Races
Advancement Programs
Giving to SJ23
St. John XXIII College Preparatory offers a Catholic education to high school students of Katy and the surrounding communities of West Houston. As a not for profit school, St. John XXIII relies on generous donors to enhance the extraordinary programs we offer students.
The Roncalli Annual Fund allows St. John XXIII to fulfill the mission and offer distinctive learning opportunities beyond what tuition can provide. A gift to the Annual Campaign can be designated to the Annual Fund, the Tuition Assistance Fund, or the Scholars Program.
SJ23 Campaign
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Crosthwait - Student Center - 4 - 100
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Crimson
HARN College Fair - During House Time
9:15 AM
Crosthwait - New Gym - New Gym
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Cheer interest tryout clinic
4:30 PM
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Crosthwait - Student Center - 4 - 100
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Penance Service
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Crosthwait - Student Center - 4 - 100
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Grade Pull | Nine Weeks
Crimson
A Parent’s Guide to Keeping Their Children Safe
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Crosthwait - Student Center - 4 - 100
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Spring Break
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Spring Break
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Spring Break
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8 Period Instructional Day
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Crimson
Girls Soccer Banquet
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Crosthwait - Student Center - 4 - 100
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Gold
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Crimson
Lion Acceptance Party
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Crosthwait - New Gym - New Gym
Sj23 Parent meet and Greet
6:30 PM
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Crosthwait - Student Center - 4 - 100
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Gold
Drill team open gym
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Field House - Practice Gym - Prac Gym
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Crimson
Mass Service
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Gold
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8 Period Instructional Day
Junior Retreat
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6:00 PM
Field House - Practice Gym - Prac Gym
Comedy Sportz
7:00 PM
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Crosthwait - Student Center - 4 - 100
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Crimson
Drill Team Prep Class
5:00 PM
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Field House - Practice Gym - Prac Gym
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Retreat
Gold
School Play
6:00 PM
to 10:00 PM
Crosthwait - Student Center - 4 - 100
1
St. John XXIII College Preparatory
1800 W. Grand Parkway N. | Katy, Texas 77449
p 281.693.1000
f 281.693.1001
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Our Mission
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.
Bell Schedule
Lunch Information
Newsletters
Newsletter Announcements
Office 365 / Email
Open Sitemap +
About
Welcome
Why Catholic Education?
Coat of Arms of St. John XXIII
School Profile
Board of Directors
Financials
Faculty and Staff
Parare Magazine
Employment
Contact Us
Academics
Counseling
Academic Support Services
Course Selection - Add/Drop Policy
Grading Policy
Textbooks & Summer Reading
Library
Admissions
Admissions
The Application Process
Transfer Application Process
Tours & Shadow Days
Testing Information
Academic Support Service
International Student Program
Tuition
Financial Aid
Scholarship Application
Blackbaud Tuition Management FAQ's
Campus Ministry
Liturgy and Sacraments
Retreats
Works of Mercy
Listen to Homilies
Series 1: The Holy Eucharist
Special Edition: Feast of St. John XXIII
Series 2: The Four Pillars
Student Life
The House System
Student Organizations
Performing Arts
Athletics
Fall Sports
Winter Sports
Spring Sports
Summer Camps
Program Sponsorships
SJ23 Boosters
Giving
Pillars and Cornerstones Campaign
Give Today!
Annual Fund
2023 Gala: Off to the Races
Advancement Programs
23 for SJ23
Gala & Auction
Gala Sponsor
Matching Gifts
Raffle
Program Sponsorships
SJ23 Boosters
Tuition Assistance
Program Donation Page
SJ23 News Signup
SJ23 Campaign