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Mount Si High School Athletics Booster Club


Mount Si Baseball is selling tickets for the Arizona Diamondbacks vs Seattle Mariners game on Saturday April 27th  @ 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 (Sections 148-149) - $40 each
300 level seats (Sections 327-328) - $20 each

2022 KingCo 4A Champions!!

2022 KingCo 4A Champions!!


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