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 in 2015 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.

Mary Lutter, Seventh Grade Teacher


Mary Lutter holds degrees in Human Services and Rehabilitation and Social Studies Education as well as Special Education. Mrs. Lutter joined Saint Peter the Apostle School in the 2021-2022 school year as the fifth grade teacher. She is currently teaching grades 6-8 English Language Arts and looks forward to continuing to partner with the middle school parents and teachers to support SPAS students.

Contact Mrs. Lutter at mlutter@stpetertheapostleschool.com.

Andrew Stetser, Sixth Grade Teacher

Mr. Andrew Stetser is a graduate of Mount St. Mary's University and has degrees in secondary education and social studies. He is currently studying for his master's in education at Saint Joseph's University, Philadelphia. Mr. Stetser serves as a Eucharistic Minister and practices his Catholic faith in service as well. He teaches middle school social studies and religion to grades 6-8.

Contact Andrew Stetser at astetser@stpetertheapostleschool.com.

Debbie DiGiacobbe, Fifth Grade Teacher


Ms. Debbie DiGiacobbe is an experienced teacher with a love for her Catholic faith. She has taught many grade levels throughout her educational career and has served as a new teacher mentor and faculty team leader in her previous educational placements. Ms. DiGiacobbe is also an adjuct profession at Temple University.

Contact Ms. DiGiacobbe at ddgiacobbe@stpetertheapostleschool.com.

Deborah Krysztoforski, Fourth 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. Krysztorski'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.

Contact Deborah Krysztoforski at dkrysztoforski@stpetertheapostleschool.com.

Anne Johnston, Third Grade Teacher

Ms. Anne Johnston is a graduate of Saint Joseph's University with a degree in elementary education with a minor in special education studies. She is currently studying at Saint Joseph's University for her master's degree in education. Ms. Johnston is eager to promote the mission of Catholic education and share her love for her faith and service to her community with the Saint Peter the Apostle School community.

Contact Ms. Johnston at ajohnston@stpetertheapostleschool.com.

Second Grade Teacher, Mercy Joseph

Ms. Joseph is a parishioner at Saint Peter the Apostle. She just completed a degree in education studies at Arcadia University and is eager to guide the second grade students as they continue their academic and spiritual formation in preparation for First Penance and First Holy Communion.


Contact Ms. Joseph at mjoseph@stpetertheapostleschool.com.

Nicole Quigley, First Grade Teacher

Ms. Quigley graduated from Gwynedd-Mercy College with degrees in elementary education, special education, and early childhood education. She has experience teaching in Catholic and public school. Ms. Quigley was named an AOP Tech Influencer in 2021 and is an active volunteer in the National MS Society.

Contact Ms. Quigley at nquigley@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.


Carla Suero, PK Teacher


Mrs. Suero earned a bachelor’s degree in Elementary Education from the University of Central Florida in Orlando, Florida. Upon graduation she went on to teach in both public and Catholic schools in the Orlando area. She moved to Philadelphia during the summer of 2019 and found her new home at St. Peter the Apostle School.


Mrs. Suero loves teaching and helping children grow socially, spiritually, emotionally, and academically. She is excited about providing a caring loving environment where children can begin to build the foundation and love for life long learning.

Contact Carla Suero at csuero@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.


Jesseca Leiva, Spanish Teacher


Jesseca Leiva is a product of Saint Peter the Apostle School and now works in admissions and development while teaching Spanish in grades PK 4 - 8. 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. Ms. Leiva is passionate about helping students grow in learning and fluency in Spanish.

Contact Jesseca Leiva at jleiva@stpetertheapostleschool.com.

Samirah Odoms, PE/Health Teacher

Ms. Odoms is currently studying for a doctoral degree in Physical Therapy. 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.