Wallingford Public Schools

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Enzo Zocco
(203) 294-5905


Gregory J. Dirkson
Assistant Principal
(203) 294-5904


Justin Marciano
Assistant Principal
(203) 294-5904


Enzo Zocco, Principal

Enzo Zocco joined Sheehan High School as principal in August of 2019. Prior to this, he served as an assistant principal and as a social studies teacher in other school districts. He attended UCONN where he earned his undergraduate and graduate degrees with a Bachelor of Science in Education, Master of Arts in Education, and 6th Year Degree in Educational Leadership along with an 093 certification from CCSU. Mr. Zocco is very happy to have joined the Sheehan family and enjoys working with the students, staff, and parents in the community. He has a wife and two children.  

Gregory Dirkson, Assistant Principal

Gregory J. Dirkson began his career in education as an English teacher at Mark T. Sheehan High School in 2005. Prior to joining the administrative team at Sheehan, he taught English at Sheehan for eight years and in 2013 he joined the Wallingford Curriculum Team as a Humanities Curriculum Resource Teacher.

As a classroom English teacher, Mr. Dirkson taught juniors and seniors at each academic level. Working with a colleague, he created the curriculum and pioneered the Advanced Placement Language and Composition course in the district. He became actively involved in the district integration of the Common Core into the English curriculum by attending curriculum consortiums and joining writing teams within the district to design the first Common Core aligned English curricula at the high school level. Outside of the classroom, Mr. Dirkson assisted with the direction of four Fall drama productions and four Spring musicals during his tenure at Sheehan.

As a Humanities Curriculum Resource Teacher, Mr. Dirkson worked with teachers in grades K-12 to create, implement, and evaluate curriculum, instruction, and district initiatives. To promote a more accessible, adaptable, and recursive approach to curriculum, Mr. Dirkson promoted the transition of past and current curriculum units and performance tasks onto Google. He also worked with teachers and administrators on district initiatives such as Mastery Based Learning and the District Writing Action Team. Throughout the year, Mr. Dirkson routinely met with teachers to address their needs and the needs of student as well as provide professional development in a variety of topics relating to curriculum and instruction.

Mr. Dirkson holds a B.S. in Secondary Education with an English Major from Central Connecticut State University, a M.A.L.S from Wesleyan University in Humanities, and a 6th year diploma in Educational Leadership from Quinnipiac University.

Justin Marciano, Assistant Principal

Mr. Justin Marciano is a proud graduate of Mark T. Sheehan High School. He began his career in education as an English teacher at North Haven High School in Connecticut and taught grades nine, eleven, and twelve.

As an English teacher, Mr. Marciano wrote curriculum and created common assessments for grades nine and twelve, was trained in the Common Core State Standards, co-taught with special education teachers, and helped develop school-wide reading and writing rubrics and close-reading assessments. In his first year as an English teacher he created a highly successful senior elective in African-American literature that he continued to teach until his departure to become assistant principal at Mark T. Sheehan High School in 2014.

During his time at North Haven, Mr. Marciano served on various committees, including, but not limited to, NEASC, PBIS, and the scheduling committee. He also worked as the administrative substitute and was co-chair of the school-wide data team. Mr. Marciano was the chair and co-author of the NEASC seven-year report and developed classroom-level interventions and new pilot programs for struggling readers and writers. He also provided professional development and guidance in the use of PowerSchool for new teachers. Additionally, Mr. Marciano served as the Diversity Club advisor and head coach for the powderpuff team.

Mr. Marciano holds a B.A. in English Literature, M.S. in Education, both from the University of New Haven, and a Certificate of Advanced Graduate Study in Educational Leadership from the University of New England. In 2008 he was one of twelve teachers in the country accepted to the National Humanities Center’s conference on African-American literature, history and art, and he was voted North Haven High School’s Teacher of the Year in 2010.