New Zealand - Johnsonville - Onslow College - 5AN - 1981 Do you have more information about the school or the people in this photo? Please use the comment section below to share. To search for other photos from this school, please type the schools name in to our search engine. Onslow College - Onslow College opened in 1956 to serve Wellington's rapidly growing northern suburbs. - It was named after the 4th Earl of Onslow, governor of New Zealand from 1889 to 1892 - The school has not had a school uniform since 1974 when it was abolished following student protest