However, teachers can provide such services outside their school as an additional paid activity. Teachers can also work in after-school activities provided by education organisations other than schools. However, individual tutoring can also be organised within the context of school activities, for which teachers receive an additional compensation. Two-thirds of the country’s schools provide instruction in two shifts, and a small number of schools (1%) operate in three shifts. Elimination of three-shift schools was one of the central pillars of the “100 Schools, 100 Hospitals Program”, yet 110 such schools were in existence in 2013 - up from 71 in 2011.