Newsletter Announcements

List of 15 news stories.

  • Application deadline to apply for financial aid

    The Priority Consideration Deadline for Financial Aid is January 31, 2021.
  • Call for Nominations for the Parent Association

    The SJ23 Parent Association is excited to send out a call for nominations to our four leadership positions in 2021-2022. Elections will be held in February so they can begin preparing for next year.
  • Congratulations for winners of the ATPI Photo Contest!

     Congratulations to two St John XXIII students who placed in the Association of Texas Photography Instructors (ATPI) Fall Photo Contest.  Gaby Davila and Kylee Williams both received Honorable Mention for their photography work.  Gaby placed in the Times Change Thematic category and Kylee received recognition for her Nature photograph.  The contest received over 4500 entries from 92 schools.  Thank you Gaby and Kylee for representing St. John XXII with your talents.   
  • Mass Dress Guidelines for second semester

    Due to the uncertainties related to the global pandemic, SJ23 will not be requiring Mass Dress for the remainder of the 2020-2021 school year. Thank you for you patience.
  • Reminder to all “Remote” students:

  • Second Semester Uniform Reminders

    • During cold weather Solid Colored Sweatpants, leggings, and/or leg warmers may be worn under skirts.
    • All outer wear must be SJ23
      • Only exception is for Seniors on the first Monday of each month
      • Seniors ONLY can wear a college sweatshirt or shirt the first Monday of each month
    • Girls casual uniform
      • Skirt length is becoming an issue. 
      • The Skirt length must be at least 2 inches or less above the knee
      • Red plaid, khaki, or navy uniform skirt.
      • Khaki knee length shorts or pants (No cargo pants). Shorts or pants may not be tight or slim fitting. No jean style allowed
    • Mass Dress will NOT be required during the second semester
  • Spanish National Honor Society

    All current and prospective members of the Spanish National Honor Society need to be present at an Informational Meeting on January 19th, at 3:30 pm in Coach Alleman's Room (Room 213).  Remote Students, or students unable to attend the meeting, need to email Coach Alleman,, before the 19th to receive information on how to apply for membership or renew membership.
  • Covid protocols

  • Important Message from Principal Noonan

    Important Message from Principal Noonan 
    January 8, 2021

  • Welcome Preston Smith, Director of Admissions

  • 2020 Cross Country Awards

    The 2020 Cross Country Awards was held December 16th following a successful racing season.
    Coaches Dave Rainey and Adelynn Molina recognized each team member with team trophies before preceding to individual awards.
    Parents recognized included: Sandi & Paul Wofford, Maria & Dennis Wells and Marilyn & Pat Seiler.
    The state qualifiers team members were James Magner, Jacob Gordon, Robert Wells, Alec Hoffman, J. P. Pena, Tomas Grajarde and Ethan Seiler.
    Most Improved Runners were Emma Magner and Alec Hoffman.
    Outstanding Male Runner was James Magner.
    Outstanding Female Runner was Keely O'Connor.
    The Lionheart Award went to Audrey Magner.
  • Attendance reminders!

    Friendly reminder on our attendance protocol - if your student will be absent please email with the appropriate documents within 24 hours. 
    Your student is responsible for contacting their teacher about any missing assignments.
  • Basketball Volunteer Opportunities

    Volunteers are needed to work at the home basketball games.
    You can earn Scholarship hours by helping.  
    Sign up HERE.
  • Golf Tryouts Informational meeting

    Any students interested in playing Golf for SJ23 this spring season are to come to Coach Alleman’s room (213) Wednesday January 20th at 3:30pm for an informational session regarding tryouts and practice schedule. If you have any questions regarding Spring Golf reach out to Coach Burke at  
  • Junior or Seniors Order Your Graduation Ring

    Order your Graduation rings

    ackets are available at the front office

St. John XXIII College Preparatory

1800 W. Grand Parkway N. | Katy, Texas 77449
p 281.693.1000
f 281.693.1001
Our Mission
We prepare the hearts and minds of our students to serve God and others.