Complex sentence: In 2005, the NCAA created a rule that made it mandatory for DII programs to award athletic grants; a measure was proposed to begin offering $500 "grants-in-aid" to all 600 intercollegiate athletes in order to meet this requirement.
Split into simpler sentences: In 2005, the NCAA created a rule that made it mandatory for all D-II programs to award athletic grants. Consequently, a measure was proposed to begin offering $500 "grants-in-aid" to all 600 intercollegiate athletes in order to meet this requirement.