skip navigation
Mount Si High School Athletics Booster Club


Scoreboard Operators Team Dinners Concession Stand
Varsity   C Team parents for Varsity
Junior Varsity Junior Varsity  
C Team    

Mariners Tickets

Mount Si Baseball is selling tickets for the St Louis Cardinals vs Seattle Mariners game on Saturday April 22nd @ 6:40pm.

Last year almost an entire section of T-Mobile Park was occupied by the Snoqualmie Valley, let's do it again as the Mariners make a run for the World Series!

Ticket Prices:
100 level seats - $40 each
300 level seats - $20 each



2022 KingCo 4A Champions!!

2022 KingCo 4A Champions!!

MountSiBaseball Mount Si Baseball MountSiBaseball


Mount Si High School  
8651 Meadowbrook Way SE  
Snoqualmie, WA 98065  
Phone: (425) 831-8100  
Fax: (425) 831-8222