ANDOVER, MASS. — Newton, Mass.-based Diversified Project Management has completed renovations and an expansion to The Pike School, an independent pre-K through 9th grade school located at 34 Sunset Rock Rd. in Andover. Construction consisted of a 21,500-square-foot addition to the school, as well as a 7,300-square-foot renovation. Construction was focused on enhancing the school’s visual and performing arts programs.