School Calendar

  • Event Categories

  • Location

  • Athletic Schedules


  1. Sun
  2. Mon
  3. Tue
  4. Wed
  5. Thu
  6. Fri
  7. Sat
  1. 31
  2. 1

    Labor Day Holiday | No Classes

  3. 2

    Varsity Volleyball

    Home
    Volleyball - Varsity vs Fort Bend Christian
  4. 3
  5. 4

    Varsity Volleyball

    Away
    Houston Christian High School
    Volleyball - Varsity vs Houston Christian
  6. 5

    Varsity Football

    Home
    St. John XXIII College Preparatory
    Football - Varsity vs St. Michael's Catholic Preparatory School
  7. 6

    Varsity Cross Country

    Away
  1. 7
  2. 8
  3. 9

    Varsity Volleyball

    Away
    Second Baptist School
    Volleyball - Varsity vs Second Baptist School
  4. 10

    Swim Parent Meeting

    Crosthwait - Student Center - 4 - 100
  5. 11

    Varsity Volleyball

    Home
    St. John XXIII College Preparatory
    Volleyball - Varsity vs Episcopal High School
  6. 12

    Varsity Volleyball

    Home
    St. John XXIII College Preparatory
    Volleyball - Varsity vs East Bernard High School

    Varsity Football

    Away
    Brazos High School
    Football - Varsity vs Brazos High School
  7. 13

    Casino Night

    The Athletic Department is thrilled to invite the entire SJ23 community to a fantastic night at our annual athletics fundraiser on September 13! Please mark your calendars —we'd love for you to join us!
    Buy your tickets today! 

    Varsity Cross Country

    Away
    Houston Christian High School
  1. 14
  2. 15
  3. 16

    Varsity Volleyball

    Away
  4. 17
  5. 18

    Varsity Volleyball

    Away
    Lutheran South Academy
    Volleyball - Varsity vs Lutheran South Academy
  6. 19

    Varsity Cross Country

    Away

    Varsity Football

    Home
    St. John XXIII College Preparatory
  7. 20

    Varsity Cross Country

    Away
  1. 21
  2. 22

    Junior/Senior parent Coffee

  3. 23

    Varsity Volleyball

    Home
    St. John XXIII College Preparatory
    Volleyball - Varsity vs Iowa Colony
  4. 24

    NHS Induction | School Picture Retakes

  5. 25

    Varsity Volleyball

    Home
    St. John XXIII College Preparatory
    Volleyball - Varsity vs St. Agnes Academy
  6. 26

    Varsity Football

    Away
    Football - Varsity vs St. Paul Shiner
  7. 27
  1. 28
  2. 29

    Freshmen/Sophomores Parent Coffee

  3. 30

    Varsity Volleyball

    Away
    The Village School
    Volleyball - Varsity vs The Village School
  4. 1
  5. 2
  6. 3
  7. 4
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.