Academic excellence. Joyful classrooms.

Mastery Prep Elementary opened in Fall 2018 in North Philadelphia. It serves over 200 students in grades K-3 and will grow each year to grade 6.  Prep Elementary offers children academic excellence in a fun, joyful environment. From math to music and reading to field trips, our students receive a well-rounded education from loving teachers and leaders.

We focus on 5 core values: respect, responsibility, hard work, teamwork and kindness.

Frequently Asked Questions

What is the name of the after care company?

Mastery Prep Elementary partners with “Change 4A Dollar” after care program. We believe that this organization would be the best match for our school. “Change 4A Dollar” operates each school day from dismissal until 6 p.m.  All students in grades K-3 are eligible to join.


What is the school’s uniform?

Students should wear navy blue uniform pants, or knee length skirt for bottoms and either the gray Mastery Prep Elementary polo shirt or the blue Mastery Prep Elementary oxford shirt with the navy blue Mastery Prep Elementary cardigan and tie. Closed-toe shoes only.


Where can I purchase the school uniform?

Click here to purchase uniforms.


Will uniform shirts be available to purchase at the school?

In order to ensure that our front desk is most efficient to serve your family and our school’s needs, uniforms will not be sold at the school.


Will all students be eligible for school lunch?

All students attending Mastery Prep Elementary are eligible to receive free breakfast and lunch. Please be sure to complete the “Household Income Survey” to ensure that we are able to continue to make these meals available to all students.


When will I receive school bus information?

We are working with the school district to provide school bus transportation to all eligible students. We will send this information via email and postal service as soon as we have the details.


Who can apply?

Any student living in Philadelphia is eligible to apply for the lottery at Mastery Prep Elementary, however, preference is given to students living in the 19140 zip code.

School Hours

  • Doors open at 7:35 AM (breakfast is served until 7:55 AM)
  • Academic day begins at 7:55 AM
  • Academic day ends at 3:05 PM on Monday, Tuesday, Thursday & Friday
  • Academic day ends at 1:00 PM on Wednesdays for professional development for teachers

For additional questions please reach out to Assistant Principal Sonya Edmonds at





Our School

$10 million renovation

Bright, spacious, beautiful classrooms with cozy learning spaces throughout the building

Updated gym and recreational spaces

Students learn and achieve at high levels

Challenging, engaging, culturally diverse reading and writing curriculum

Hands-on math focused on problem-solving and critical thinking

Interactive science encourages investigation through hands-on experiences

Learning is fun!

Enrichment block with karate, art, dance or similar activities taught by experts

Fun morning meetings get students excited and ready to learn

Field trips, community meetings and much more!

We support the whole child

Core values are respect, responsibility, hard work, teamwork and kindness

Play in K and first grade uses pretend play to teach social and emotional skills

Our team

Raymond Fields, Jr., Principal

Raymond Fields, Jr. is the founding principal of Mastery Prep Elementary Charter School. He partners with parents and finds unique opportunities to spark the creativity and imagination of students through enrichment activities like the arts and karate.

An accomplished school leader, Raymond is a 2018 Neubauer Fellow in Educational Leadership and was part of the 2011 New Leaders for New Schools Leadership Program.

Raymond started his education career in 2005 through Teach for America, teaching in Atlanta for five years. He joined Mastery five years ago as the founding principal of Gratz Prep Middle School

He holds a Bachelor of Arts degree in African American Studies & Criminal Justice from the University of Maryland, College Park and  Master of Arts in Teaching from Mercer University.

Feel free to email him any time!


Sonya Edmonds, Assistant Principal of Operations

Bob Victor, Ex-Officio Chair

Don Kimelman, Treasurer

Sulaiman Rahman, Secretary

Suzanne Biemiller

Hosea Harvey

Stacey Sellers

Judith Tschirgi

John Walsh

Mastery Board of Trustees Schedule

Support Mastery Prep Elementary

"I just love the communication between
the parents and the teachers and the school."

-Yonita Martin, Mastery Parent