Simplify the following text for a Grade 10 native English-speaking person.
Original: Currently , Bishan contains four primary schools , seven secondary schools , one junior college and a post-secondary technical education institution that are part of Singapore 's education system .
Simplified: There are 4 primary schools , 7 secondary schools and one post-secondary technical education institute . The most famous school in Bishan is Raffles Institution , which is a secondary school and junior college .