Emily Diefendorf
Emily has been the Director of Instructional Resources for the Opportunity Network of the School District of Philadelphia since 2024. Previously, she began serving as Literacy Coach for the Children’s Literacy Initiative, working with teaching in literacy instruction, in 2022. Prior to this role, she served as principal of Our Mother of Sorrows/St. Ignatius of Loyola Catholic School (2019-2022). Prior to that, Emily was the principal of Holy Cross Catholic School for 3 years. Under her leadership at Holy Cross, students engaged in a new math curriculum, Eureka math, and increased math scores via Measures of Academic Progress (MAP) testing, which measures growth three times each year.
Emily has been an educator since 2004. Prior to becoming a principal, Emily served as assistant principal, middle school math lead teacher, and middle school teacher. Emily grew up in Indianapolis, Indiana.