High School Equivalency Test Preparation GCC does not currently offer High School Equivalency test preparation courses or services. However, the following resources may be able to help you prepare for getting your High School Equivalency Certificate. The Literacy Project (774-3934) has adult education centers in Greenfield, Turners Falls, Orange, Northampton, Amherst and Ware Adult and Community Learning Services (ACLS) at the Massachusetts Department of Elementary and Secondary Education - provides a directory of Adult Basic Education resources Also try a Google search for High School Equivalency Test preparation resources on the web!