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April 2025
Sun Mon Tue Wed Thu Fri Sat
Sunday, March 30
Robotics Contra Costa Regional Competition
Winter Guard & Percussion Championships
Challenger Baseball
Next Level Basketball
Monday, March 31
Lacrosse @ Rancho Cotate HS (TBA)
Purple Regular Schedule
Boys Varsity Golf Monterey Classic @ Laguna Seca Golf Ranch
Spring Musical Dress Rehearsal
Tuesday, April 1
Achieve New Family Meeting
Gold Regular Schedule
Spring Musical Dress Rehearsal
Varsity Baseball vs. SHCP @ Home
Wednesday, April 2
Purple Regular Schedule
Spring Musical SMAT
Track @ St. Francis
Boys Tennis vs. Serra @ Home
Lacrosse vs. Washington HS @ Home
Wednesday Night Rehearsal
Thursday, April 3
Gold Rally Schedule
Spring Sports Rally
Boys Tennis @ Mitty
Swimming @ Serra
Boys JV Baseball vs. SHC @ Westmoor HS
Boys JV Golf vs. Mitty @ Fleming Golf Course
Spring Musical After School Opening
Friday, April 4
Early Dismissal - PD/PLC
Purple Friday Early Dismissal
Track Stanford Invitational (TBA)
Track Stanford Invitational (TBA)
Chapel Mass
Boys Tennis vs. SHCP @ Goldman Tennis Center
Boys JV Baseball vs. SHCP @ Home
Boys Varsity Baseball vs. SHCP @ Marchbank Park
Spring Musical
Saturday, April 5
Track & Field The King's Academy Invitational @ King's Academy
Track Stanford Invitational (TBA)
Boys Varsity Baseball @ Mountain View HS
Boys JV Baseball vs. St. Francis @ Home
Alumni Theater Reception
Spring Musical
Sunday, April 6
Challenger Baseball
Next Level Basketball
Spring Musical Closing
Monday, April 7
Crusader Games
PURPLE Extended R-Time Schedule
Spring Musical Strike
Boys Tennis @ SI
Tuesday, April 8
Boys JV Baseball vs. St. Francis TBA
Crusader Games
Gold Rally Schedule
Spring Musical Strike
April Marianist Moment
Boys Tennis vs. SHCP @ Home
Boys JV Baseball @ St. Francis
Boys Varsity Baseball vs. St. Francis HS @ Home
Wednesday, April 9
Crusader Games
Purple Rally Schedule
Lenten Retreat
Track @ Mitty
Lacrosse vs. Lowell @ Home
Wednesday Night Rehearsal
Thursday, April 10
Crusader Games
Expecting Mother's Drive
Gold Extended R-Time Schedule
MLC
Lenten Retreat
Boys Tennis WCAL Championships
Swimming @ Mitty
Boys Tennis @ Valley Christian
Boys Varsity Golf vs. Bellarmine @ Silver Creek Valley Country Club
Friday, April 11
Early Dismissal- No Meeting
Expecting Mother's Drive
GYM CLOSED FOR FUNDRAISER
Purple Friday Early Dismissal
Track Arcadia Invitational @ Arcadia HS
Lenten Retreat
Chapel Mass
Student Success Friday
Boys JV Baseball vs. Valley Christian @ Home
Boys Varsity Baseball @ Valley Christian
Saturday, April 12
Boys Volleyball San Francisco Varsity City ChallengeTournament @ CCSF
Expecting Mother's Drive
GYM CLOSED FOR FUNDRAISER
Riordan CMEA Festival
Riordan Round Up - Fundraiser
Track Arcadia Invitational @ Arcadia HS
Boys Varsity Baseball @ Palo Alto HS
Boys JV Baseball @ Palo Alto HS
Sunday, April 13
Expecting Mother's Drive
FFA - Rental
Challenger Baseball
Next Level Basketball
Monday, April 14
Expecting Mother's Drive
JV Boys Golf vs. Marin Catholic @ Stonetree Golf Club (TBD)
Purple Regular Schedule
Boys Varsity Golf vs. Serra & Mitty @ Peninsula Golf & Country Club
Boys Lacrosse @ Valley Christian
Boys Volleyball @ SF Bay School
Parliament Banquet
Tuesday, April 15
Expecting Mother's Drive
Gold MASS Schedule
Lenten Mass
Boys JV Baseball @ Hillsdale HS
Boys Varsity Baseball vs. Hillsdale @ Home
Winter Sports Awards
Wednesday, April 16
Expecting Mother's Drive
Purple Regular Schedule
Swimming @ Bellarmine
Track @ Serra
Boys Varsity Golf vs Harding @ Harding
JV Golf vs. Sequoia @ Fleming
Catholic Middle School Band Night
Thursday, April 17
Easter Break Begins
Expecting Mother's Drive
Friday, April 18
Easter Holiday Break
Expecting Mother's Drive
Saturday, April 19
Easter Holiday Break
Expecting Mother's Drive
Sarges Heroes Field Rental
Sunday, April 20
Easter Holiday Break
Expecting Mother's Drive
Monday, April 21
Easter Holiday Break
Expecting Mother's Drive
Spring Southern Califonia Band Tour (Day 1)
Boys Varsity Golf vs. SHCP @ Olympic Club
Tuesday, April 22
Easter Holiday Break
Expecting Mother's Drive
Spring Southern Califonia Band Tour (Day 2)
Wednesday, April 23
Easter Holiday Break
Expecting Mother's Drive
Spring Southern Califonia Band Tour (Day3)
AP Proctor Training
Lacrosse vs. Harbor HS @ Home
Thursday, April 24
Easter Holiday Break
Expecting Mother's Drive
National HS Journalism Convention - Seattle, WA
Spring Southern Califonia Band Tour (Day 4)
Friday, April 25
Easter Holiday Break
Expecting Mother's Drive
National HS Journalism Convention - Seattle, WA
Spring Southern Califonia Band Tour (Day 5)
Track CCS @ Mountain View HS (TBA)
Saturday, April 26
City Champions Tournament
Easter Holiday Break
Expecting Mother's Drive
National HS Journalism Convention - Seattle, WA
Track & Field Frosh Soph Championship@ Dublin
Sunday, April 27
Easter Holiday Break
Expecting Mother's Drive
SF College Admissions Case Studies - Class of 2026
Challenger Baseball
Monday, April 28
Boys Volleyball @ SF International HS (TBA)
Expecting Mother's Drive
Purple Regular Schedule
WCAL Varsity Boys Golf Championship @ Los Altos Country Club
Boys Volleyball @ International
Tuesday, April 29
Achieve Family Meeting
Expecting Mother's Drive
Gold Regular Schedule
Boys JV Baseball @ Valley Christian
Boys Varsity Baseball vs. Valley Christian @ Home
Boys Volleyball @ Westmoor HS
Riordan Drama End of Year Celebration
Wednesday, April 30
Expecting Mother's Drive
Purple Regular Schedule
Boys Tennis WCAL Championships @ Cuesta Park
Wednesday Night Rehearsal
Thursday, May 1
Expecting Mother's Drive
Gold Assembly Schedule
Online Spring Auction Opens
Passing of the Torch
Sr. Farewell Prayer Service/May Crowning
Swimming WCAL Championship Trials @ Bellarmine
Boys Volleyball vs. Burton @ HOME
Boys Lacrosse vs. Lowell @ Home
Friday, May 2
Early Dismissal - No Meeting
Purple Friday Early Dismissal
Scholarship Luncheon
Chapel Mass
May Marianist Moment
Swimming WCAL Championship Trials @ Bellarmine
Boys JV Baseball @ Bellarmine
Boys Varsity Baseball vs. Bellarmine @ Home
Boys Volleyball vs. Lowell @ Home
Saturday, May 3
Livingston Band Review
Track WCAL Championship Trials @ St. Francis
Mimosa Morning
Boys JV Baseball vs. Bellarmine @ Home
Boys Varsity Baseball @ Bellarmine
Swimming WCAL Championship Finals@ Bellarmine
Lacrosse @ College Park HS

Calendar & Category Legend:

  • Academics
  • Achieve
  • Activities
  • Admissions
  • Athletics
  • Band
  • Boarding
  • Campus Ministry
  • Counseling
  • Development and Alumni
  • Facilities
  • Faculty
  • House System
  • Parent Board
  • Performing Arts