The school includes a preparatory department taking pupils from age 8.

These classes were considered a preparatory department of the secondary school.

The complete separation of the intermediate classes as a preparatory department to the high school took effect in 1924.

All the facilities on site are available for use by the preparatory department.

Specialist staff from the senior school also teach some lessons in the preparatory department.

A range of assessments are used in the preparatory department.

Also there is a preparatory department for foreign citizens.

In 1861, at the age of 15, he went to Williams College's preparatory department.

All were enrolled in either the primary or the preparatory department.

Additionally he found local schools lacking and established a preparatory department in the College.