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=Welcome to Tri-Valley Middle School Office!=

Middle School Secretary - Gloria Buck 7&8 Grade Principal - Tim Pflanz 5&6 Grade Principal - Nancy Johnson

Tri-Valley School District "Home of the Mustangs" 46450 252nd Street Colton, SD 57018 605-446-3538/605-543-5500 ext. 200 gloria.buck@k12.sd.us