Official/Lexington Education Foundation (LEF) funds innovations in teaching & learning to support the continued excellence of the Lexington MA Public Schools. LEF funds educator-initiated grants that support an innovative and inspirational education experience To bring the community together to build and sustain the excellence of Lexington public schools. To support exceptional educational activities in all Lexington Public Schools. To bring innovative instruction and new technologies into Lexington's classrooms. To support faculty's professional learning. To help our schools build strong, student-centered learning communities that inspire and engage every student to reach their greatest potential.