Faculty and Staff

Sister Danielle Truex, IHM, Principal

Sister Danielle studied theology and elementary education at Immaculata University and has a master's degree in educational leadership from Saint Joseph's University.  Prior to becoming principal at Saint Peter the Apostle School, Sister Danielle was principal in Lancaster, PA and taught middle school in several Catholic schools in Philadelphia.  

Sister Danielle's educational interests include: technology, STREAM, strengthening parent partnerships, and social-emotional learning.  Sister Danielle is excited about continuing the rich history of quality Catholic education that Saint Peter the Apostle School is known to provide and furthering the school mission to "contribute to the building up of God's Kingdom here on earth."

Contact Sister Danielle at srdanielle@stpetertheapostleschool.com.

Alexa Ledain, Eighth Grade Teacher

Ms. Ledain has a bachelor's degree in public health from Temple University and is pursuing her master's degree in elementary education. She has experience teaching in Philadelphia Charter Schools and has taught ELA, science, and mathematics. She moved from Miami, Florida to Philadelphia to pursue her education. 

Ms. Ledain has a passion for teaching, while creating an environment where students feel capable, confident and loved. She loves implementing fun yet educational practices into her lesson plans and is looking forward to having an amazing 2022-23 school year with St. Peter the Apostle School families and students.

Contact Ms. Ledain at aledain@stpetertheapostleschool.com.

Saskia Kercy, Sixth Grade Teacher

Ms. Kercy attended Catholic schools in Philadelphia and graduated from West Catholic Preparatory High School before continuing her studies.  She has a BA in Economics and Global Studies from Temple University and a MA in Economics from Howard University.

Ms. Kercy brings a variety of professional experiences to St. Peter the Apostle School including: providing financial and business education to immigrant populations, facilitating Girls on the Run programs, writing for various professional journals, and public affairs and communication experience.  

Deborah Krysztoforski, Fourth and Fifth Grade Teacher

Ms. Krysztoforski studied elementary school education and has a bachelor's degree in liberal arts with a major in education. She taught in the Catholic school system for several years.

Ms. Krysztoforski's educational interests include building parent-teacher relationships to benefit the education of the students, differentiated instructions to meet the needs of all students, technology, and educating the students in a Christian environment. She is honored to be a part of the faculty of St. Peter the Apostle School.

Ms. Krysztoforski was accepted into the Notre Dame STEM Teaching Fellows program in Spring 2023.

Contact Deborah Krysztoforski at dkrysztoforski@stpetertheapostleschool.com.

Samirah Odoms, Third Grade Teacher

Ms. Odoms is in the Residency Program completing her education studies at this time.  She is known to the St. Peter the Apostle School community as our former PE and Health Teacher.  Ms. Odoms has background experience as a sports performance specialist, rehab aide, track and field coach, student athletic trainer, and dance instructor and choreographer.   

Contact Ms. Odoms at sodoms@stpetertheapostleschool.com.

Second Grade Teacher, Jennifer Gonzalez

Ms. Gonzalez has a bachelor's degree in Early Childhood Education and Special Education from Temple University and she is eager to work with parents and students at St. Peter the Apostle School.

Contact Ms. Gonzalez at jgonzalez@stpetertheapostleschool.com.

Jesseca Leiva, First Grade Teacher

Jesseca Leiva is a product of Saint Peter the Apostle School and now teaches first grade.  Ms. Leiva's past experiences include tutoring ESL students in a school setting, working in after school programs, and translating for parents in a school setting.  She also worked as a Spanish Interpreter in other settings and was our former Spanish teacher and Admissions Director.  Ms. Leiva is passionate about helping students grow and learn.

Contact Jesseca Leiva at jleiva@stpetertheapostleschool.com.

Francesca Formica, Kindergarten Teacher

Miss Formica has a bachelor's degree in Elementary/Early Childhood Education from Holy Family University. Miss Formica spent one year teaching technology before finding her home at St. Peter’s in Kindergarten. 

Miss Formica enjoys teaching and shaping little minds. She enjoys teaching reading and writing to the little ones and helping them discover their love for it too!  Miss Formica also enjoys STREAM projects with her kids and sharing their projects with their families and the SPA community!

Contact Francesca Formica at fformica@stpetertheapostleschool.com.

Ashley Martinez, PK Teacher

Ms. Martinez has a background as an experienced pediatric dental assistant.  Working with children in that role led her to transition to work in Early Childhood education.  She joins St. Peter the Apostle School with experience as a PK teacher and is continuing her education in Early Childhood.  She is eager to combine her various experiences into aiming to inspire curiosity and a life long enthusiasm for discoveries.  

Contact Ms. Martinez at amartinez@stpetertheapostleschool.com.

Rosemary Carollo, Technology/STEM Teacher

Mrs. Carollo holds a bachelor's degree in information Systems Technology from Penn State University with a minor in business.  She has worked as an IT Support/Business Analyst as well as in the role of Director of Technology in two AOP High Schools.  Mrs. Carollo teaches technology and STEM in grades PK 4 - 8 and enjoys supporting the faculty and staff in implementing technology in the classroom.

Contact Mrs. Carollo at rcarollo@stpetertheapostleschool.com.

Michele Vazquez, Art Teacher and Librarian

Michele Vazquez is an experienced early childhood educator who is passionate about providing culturally responsive education in both the arts and in her role as school librarian.  

Contact Michele Vazquez at mvazquez@stpetertheapostleschool.com.

Michael Clark, PE Teacher

Mr. Michael Clark is a graduate of St. Peter the Apostle School.  He is eager to share his love of physical activity and sports with our students and families.  

Contact Mr. Clark at mclark@stpetertheapostleschool.com.

Tom Windfelder, Music Teacher, Choir Director

Mr. Tom Windfelder is a long-time St. Peter the Apostle Parishioner and Teacher.  After his retirement, Mr. Tom continued to be an active member of our school community and agreed to come back to teach PK - Grade 3 Music and direct the school choir.  Mr. Tom has a degree in Music Education from Temple University and has many years of experience as a choir director in Catholic schools in Philadelphia.  

Contact Mr. Windfelder at twindfelder@stpetertheapostleschool.com.

Samantha Coronado, Spanish


Contact Ms. Coronado at scoronado@stpetertheapostleschool.com