Education services, namely, providing pre-school through middle-school classroom instruction using Montessori principles; providing before-school and after-school educational programs for children in pre-school through 8th grade; organizing interscholastic athletic competitions; education services, namely, providing mentoring, tutoring, classes and workshops in the fields of art, music and the performing arts, physical education, foreign language, and the environment; summer camps and educational services, namely, conducting summer programs in the fields of art, music and the performing arts, physical education, foreign language, and the environment