Choirs Gondwana National Choral School. Other than the Seventh-Day Adventist Summer Camps, most holiday camps are referred to as "Adventure Camps", because they largely do not occur over summer. Many groups hold holiday day-camps for Primary aged children, and often run week-long adventure camps during the Spring, Autumn and Winter breaks. Australian Defence Force Cadets often and almost exclusively (excepting school-based units) run their extended camps and courses over school holiday periods, which provide food and lodging for cadets over the course of the camp. However, these camps or field exercises often last only one or two weeks and thus do not fill up the majority of the school holidays. This allows the cadets (who are aged 12–18 years and therefore mostly attend school) to attend the camps whilst still completing normal schooling. Canada In Canada, summer camps are very popular. About 70% of Canadian camps tend to be affiliated with organizations, while the rest are private. There are also many summer camps for ESL students. Summer camp fairs are held throughout Canada, usually during the winter months. Parents and children can meet camp directors and collect information about summer camps. Admission to these fairs is typically free, and the camps on display vary in their cost from completely subsidized fees to quite expensive. Some camps are specifically designed to reduce Summer learning loss, particularly in literacy and mathematics. For example, the Council of Ontario Directors of Education (CODE) published the results of their study entitled The Ontario Summer Literacy Learning Project 2010. Then, in 2014 they published a Program Planning Guide to help Boards implement Summer Learning Programs (SLP). After three years of delivering the SLP, they concluded that the programs a) make a difference for students experiencing literacy challenges, b) minimize summer learning losses, and c) in many cases, increase literacy achievements. In recent years the project has included both French and English classes, blended literacy & numeracy, robotics, coding, student mentors, Indigenous activities and English Language Learning, and reports are available online. Some well-known summer camps focused on science and nature in Canada include Deep River Science Academy, Shad Valley, numerous university-sponsored and hosted day camps including the University of Toronto's Science Outreach, Space Camp Canada and the now-defunct Algonquin Space Campus hosted at the Algonquin Radio Observatory. Safari Science is another camp that is located in Oakville Ontario and provides campers an adventure in learning about