Kansas School Board Commission--colby-usd 315, Middle School 750 W 3rd St Colby, KS 67701 Phone : (785) 460-5200 Business Category Schools Administration Of Educational Programs Schools-Junior High Schools-Public Government Offices & Public Schools Schools Public 750 W 3rd St Colby, KS 67701 Phone : (785) 460-5200 Business Category Schools Schools-Junior High Schools-Public Government Offices & Public Schools