Montana Science Olympiad (MTSO) Online Payment

New this year, MTSO has a credit card payment option. Your team may still choose to pay by check as in the past. If you have questions please contact Ehsan Salam of the Science Math Resource Center at or call (406) 994-7476.

MTSO Registration and details:

Payment Information


Package Information

Division B (Grades 6 - 9)

Division C (Grades 9 - 12)


Merchandise will be availible at the registration table.
Hats are One Size Fits All.
T-Shirts are availible in the following sizes: Youth - M, L. Adult - S, M, L, XL, XXL.

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