With board approval on Wednesday, officials plan to apply for a Preschool for All expansion grant from the state that would allow it to offer three all-day classrooms, each with about 15 4-year-olds. DANVILLE — Come next school year, some pre-kindergarten pupils in the Danville school district could be attending a full day of school. District officials, with board approval on Wednesday, plan to apply for a Preschool for All expansion grant from the state.