Welcome from the Principal

Mission Grammar School Principal,
Caroline Sliney

Welcome to Mission Grammar School!

Thank you for choosing Our Lady of Perpetual Help, Mission Grammar School. As the oldest operating Catholic elementary school in the city of Boston, we have proudly served scholars and families since 1889. For more than 135 years, our community has been rooted in faith, Unity in Diversity, and Excellence in Education.

At Mission Grammar, we believe in the brilliance of every child. Each scholar arrives with God given gifts, strengths, and potential, and it is our privilege and responsibility to help them recognize and grow that brilliance every day.

Our CARES values of Community, Achievement, Respect, Equity & Inclusion, and Safety guide how we learn, how we treat one another, and how we build our community. We are committed to ensuring every scholar is known, loved, challenged, and supported through rigorous, standards aligned, developmentally appropriate, and culturally relevant learning experiences.

We encourage scholars to think deeply, take ownership of their learning, persevere through challenges, and take pride in their growth. We want our scholars to be confident in who they are and in their ability to use their gifts, voices, and ideas to make a difference in the world.

Families are essential partners in this work. As our scholars’ first teachers, families bring invaluable knowledge, perspective, and love to our community. Together, through strong relationships, open communication, and shared expectations, we create the conditions for every child to thrive.

Mission Grammar is more than a school. It is a faith filled family and community of learners. Our dedicated faculty and staff, engaged families, and brilliant scholars inspire us to grow and improve every day while continuing a proud tradition that has endured for generations.

Welcome to Mission Grammar. We are honored to partner with you and your family as we help each scholar build the knowledge, confidence, character, and agency to shape their future, from their first days as infants at Mission Grammar to college and beyond.

All the best,

Caroline Sliney
Principal