May
2026
Diamond Ranch HS
May
5
Tue
Mt. Sac Office Hours
9:45 AM
–
12 PM (DRHS Career Center )
Diamond Ranch HS
May
7
Thu
Diamond Ranch High School Spring Musical: Once Upon a Mattress
7 PM
–
9 PM (PUSD District Auditorium 800 S. Garey Ave., Pomona, CA )
Diamond Ranch HS
May
8
Fri
Diamond Ranch High School Spring Musical: Once Upon a Mattress
7 PM
–
9 PM (PUSD District Auditorium 800 S. Garey Ave., Pomona, CA )
Diamond Ranch HS
May
9
Sat
Diamond Ranch High School Spring Musical: Once Upon a Mattress
7 PM
–
9 PM (PUSD District Auditorium 800 S. Garey Ave., Pomona, CA )
Diamond Ranch HS
May
12
Tue
All District Choir Presents: The Greatest Hits POPS Concert
6:30 PM
–
8 PM (PUSD District Auditorium 800 S. Garey Ave., Pomona, CA )
Diamond Ranch HS
May
14
Thu
Mt. Sac Office Hours
9:45 AM
–
12 PM (DRHS Career Center )
Diamond Ranch HS
May
15
Fri
Choir Spring Concert
7 PM
–
8:30 PM (Fox Theater - Downtown Pomona)
Diamond Ranch HS
May
29
Fri
PUSD Last Day of School
Diamond Ranch HS
Diamond Ranch High School Graduation Ceremony
7 PM
–
8:30 PM (Diamond Ranch Stadium 100 Diamond Ranch Road, Pomona, CA )
Diamond Ranch HS