Pay for Clarksville Middle School activities and events online using a credit card. This service is provided to parents to facilitate payment using Visa and MasterCard for school field trips and gym uniforms using a secure web browser at their convenience, 24 hours a day.  OSM, Inc. does charge a handling fee for this service.

Parent Guide to Making Online Purchase - A step-by-step guide for purchasing school activities using OSP.  Please note that while the school shown in the guide is not a HCPSS school, the process is still the same.