Free File Splitter - File Splitter is a handy freeware program which allows to easily split and merge files
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
HJSplit - HJSplit is a popular set of freeware file-splitting programs created by Freebyte.
Clever - syncing between education applications for K-12 schools
Batch File Split & Join - Split and merge multiple text or binary files in either character, line, or byte modes. When splitting files, you can split on certain text or binary separator; target given number of parts; or target specific part size. Join files on lines/bytes.
Claroline - Claroline is a collaborative eLearning and eWorking platform.