Sky’s The Limit Montessori School is in operation from September through June with exceptions of closures to all statutory holidays, two (2) weeks at Christmas Break, one (1) week at Spring Break, one (1) day a year for our Manitoba Montessori Teacher Provincial In-Service, one (1) day in November for Parent Teacher Interviews, the last week of June, and In-Service Days which are held once a month throughout the school year.