ESS is a leading educational management and staffing firm specializing in full-service management of substitute teachers, paraprofessionals and support personnel for school districts. Its focus is to relieve school districts of all administrative duties related to substitute personnel including recruiting, screening, credentialing, hiring, training, placing and the day-to-day management of the workforce. ESS offers a completely customizable turnkey service to meet the diverse needs of each school district and provide the highest quality educational staff available. ESS delivers an unmatched level of comprehensive coverage that ensures quality in the classroom while providing significant, bottom-line cost savings.