In Otkrivatel Montessori School education is organised in school years. A school year consists of school terms, school days and school holidays. Each school year has duration of 12 months and starts on 15 September and if 15 September is a holiday, it starts on the next working day. School terms are Autumn – 15.Sept – 30.Jan, Spring – 1.Feb – 15.June, and Summer – 15.June – 30.July. The school day is split into Core school day – 8:00am – 4:30pm, and Extended school day – 4:30 – 6:00pm / 6:30pm (Peekaboo location). The summer holiday is each August.
The school year is between 1 September and 30 July. Extended school day clubs and classes are available between 15 September and 15 June. Otkrivatel conducts field trips and nature walks for the period 15 June and 30 July, 1 and 15 Sept. In that summer period, the extended school day program includes outside and nature activities. The Programs for Toddlers and Primary are open from 8.00am to 4:30/6.30pm, Monday through Friday, closing only for National holidays and the period between 23rd of December and New Year, and August every year for renovating facilities.
The School Program for Elementary Students includes he school days between 15 September and 15 June, as well as opportunities to take part at sports, green and forest school programs during the Summer term between 15 June and 30 July. The total number of mandatory and optional classes per school week shall not be smaller than 22 and greater than 32 classes. School holidays and their duration are determined by the state educational standard on the organisation of activities in school education. For each school year, the Minister of Education determines with an order the beginning and the end of school holidays, except for the summer holiday, non-attendance days and Otkrivatel Montessori school complies with them.