Under the plan, students ?attend class 174 days ? the same as traditional schools ? but get more breaks in exchange for a shorter summer bvacation/b.? The shorter summer break, ?is designed to curtail what educators call 'the summer slide,'? according to the Grand Rapids ... A spokesperson for Chicago Public Schools ?stressed that bNettelhorst/b was not 'officially involved' with the decision to enter the parade. Parents, both gay and straight, organized the school's entry.? ...