Bonjour Timothy (1995)

Timothy is a normal 17 year old boy, living with his mum and dad in New Zealand. When he gets caught in a harmless prank, Timothy nearly gets expelled from school. As a bargain for his schooling, Timothy's parents decide to take in an exchange student for the term. As the family prepares for his arrival, they soon find out that 'Michel' is actually 'Michelle.' Timothy is soon smitten and tries to break down her protective wall, and sparks fly.