BRYN MAWR, Pa,. (WPVI) --A school in Bryn Mawr celebrated 150 years by writing a book.
The Country Day School of the Sacred Heart held a publishing party.
Students in pre-K through 4th grade were asked to write stories about why they love their school.
The finished pieces were then illustrated by each student and published in a book.
Thursday it was dedicated to the Head of the School, Sister Matthew.
She even signed the books for the students.