This school is open to drivers at all levels from Novice to Solo Group, and Instructors are needed. CONVERTIBLES, T-Tops and Targa Tops meeting minimum requirements are ACCEPTED at this school. Friday is open-track practice for instructors and Solo Group drivers only. Solo students must be pre-approved by the Trillium Chief Instructor ? no exceptions! Saturday - Sunday: Formal instruction for all students begins Saturday morning and ends Sunday afternoon. All students, except those in the Solo Group, will have a personal in-car instructor assigned to them for the weekend.