Supplemental Educational Services (SES) are additional academic instruction designed to increase the academic achievement of students in Title I schools with a status of Priority Improvement or Turnaround outside the regular school day. These services, which are in addition to instruction provided during the school day, may include academic assistance such as tutoring, remediation and other supplemental academic enrichment services. SES must be high quality, researchbased and specifically designed to accelerate student academic achievement.