School Calendar

  • Event Categories

  • Location

  • Athletic Schedules


  1. Sun
  2. Mon
  3. Tue
  4. Wed
  5. Thu
  6. Fri
  7. Sat
  1. 26
  2. 27
  3. 28
  4. 29
  5. 30
  6. 1

    May Crowning | House Mass

  7. 2

    Festival at the Falls

    Band Festival

  1. 3
  2. 4

    AP Testing

    Biology - 8AM
    Latin - 8AM
    European History - 12PM

    Cheer Tryouts

    Field House - Practice Gym - Prac Gym
  3. 5

    AP Testing

    Chemistry - 8AM
    United States Government and Politics - 12PM

    Cheer Tryouts

    Field House - Practice Gym - Prac Gym
  4. 6

    AP Testing

    English Literature and Composition - 8AM
    Physics 1: Algebra-Based - 12PM

    Cheer Tryouts

    Field House - Practice Gym - Prac Gym

    Baseball Banquet

    Crosthwait - Student Center - 4 - 100
  5. 7

    AP Testing

    Physics 2: Algebra-Based - 8AM
    Art - 8AM
    Statistics  - 12PM

    Cheer Tryouts

    Field House - Practice Gym - Prac Gym
  6. 8

    Senior Mass/Senior Sunset

    AP Testing

    United States History - 8AM

    Cheer Tryouts

    Field House - Practice Gym - Prac Gym
  7. 9
  1. 10
  2. 11

    Senior Exams

    AP Testing

    Calculus AB - 8AM
  3. 12

    Senior Exams

    Track and Field Banquet

    Crosthwait - Student Center - 4 - 100
  4. 13

    Senior Exams

    AP Testing

    English Language and Composition - 8AM

    Physicals

    Field House - Practice Gym - Prac Gym
    Houston Methodist Physicals
  5. 14

    Senior Exams

    AP Testing

    Spanish Language and Culture - 8AM
  6. 15

    Baccalaureate and Graduation – 5:00PM

  7. 16
  1. 17
  2. 18

    Underclass Exams

    AP Testing

    World History: Modern - 8AM
  3. 19

    Underclass Exams

  4. 20

    Underclass Exams

  5. 21

    Underclass Exams

  6. 22

    Underclass Exams

  7. 23
  1. 24
  2. 25

    Memorial Day Holiday

  3. 26

    Faculty and Staff In-service

  4. 27

    Faculty and Staff In-service

  5. 28

    Final Grades Due

  6. 29
  7. 30
  1. 31
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
1800 W. Grand Parkway N. | Katy, Texas 77449
p 281.693.1000
f 281.693.1001
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.