Altering the requirement that certain public schools be open for at least 180 days and a minimum of 1,080 hours during a 10-month period in each school year to require that the schools be open for at least 180 days or a minimum of 1,080 hours during a 10-month period in each school year; and providing that certain funding for schools may not be reduced if there are fewer than 1,080 school hours under certain circumstances.