Executive search firm for school districts, charter and private schools. The Cosca Group was founded by Dr. Frank Cosca in 2000. Today it is comprised of more than 30 partners and associates representing all geographical regions of California. We bring experience in districts ranging from 1,500 to 57,000 students; urban, suburban and rural communities; and the full range of socioeconomic school populations. Our members offer sound operational knowledge and specialty backgrounds in all areas of school district administration, and we specialize in board/superintendent relations and school district governance. We are particularly proud that we have built lasting, meaningful relationships with the superintendents and districts we have served.