ADVERTISEMENT

The Williamsville School Board has filled two key administrative positions, the district announced Wednesday.

Jeffrey Jachlewski was appointed the new principal of Heim Middle School, and Christopher Mucica was appointed instructional specialist for health, physical education and athletics.

Jachlewski has been the assistant principal at Heim Middle for five years, and Mucica has served as the faculty manager of athletics at Williamsville East High School since 2007.

Jachlewski replaces Valerie Keipper, who is retiring, and Mucica replaces James Rusin, who died in January.