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HHS Counselors

Kelly Malczewski
Director of Guidance, 6-12
(914) 630-3092

Ms. Malczewski is well regarded by students, faculty, and parents of Harrison High School. As an expert teacher of Mathematics, she helped diverse learners to earn Regents credit and fulfill graduation requirements.  She has been instrumental in the high school's co-teaching initiative.  Ms. Malczewski has also served on the NYS Council for Exceptional Children high schools' Data Team to analyze student performance metrics, monitor student progress toward graduation, and narrow the achievement gap. She holds a Master of Science degree in Educational Administration and Supervision at the Bank Street College Future School Leader Academy.  In addition, she has earned a Master of Professional Studies degree in Special Education from Manhattanville College and two Bachelor of Arts degrees from St. John Fisher College in Mathematics and Adolescent Education.


Lauren Ciallella
Guidance Counselor, HHS
(914) 630-3103
Ms. Ciallella holds a bachelor's degree in psychology from Villanova University and a master's degree in school counseling from the College of Saint Rose.  For the past five years, Ms. Ciallella worked at EF Academy, an International Baccalaureate high school in Thornwood, in school counselor and college counselor roles.  For the past two years, Ms. Ciallella served as the Director of College Advising for the EF Academy. She also previously served as a school counselor in the Cohoes City School District near Albany for three years.


Kira DiFalco
Guidance Counselor, HHS
(914) 630-3105

Mrs. Kira DiFalco received her Bachelor's degree in organizational, communication, learning and design from Ithaca College and her Master's degree in school counseling from Lehman College. Prior to joining the Harrison High School team she was a College Advisor at Lincoln High School in Yonkers.



Kristy Grammas
Guidance Counselor, HHS
(914) 630-3102

Mrs. Grammas received her Bachelor's degree in Criminal Justice from St. Francis College, and her Master's degree in education and counseling from New York Institute of Technology.  Prior to joining the Harrison team, she worked with the Commack High School's Guidance team on Long Island.


Shari Heyen
Guidance Counselor, HHS
(914) 630-3106
Ms. Heyen received her Master's degree in guidance and counseling from New York University. Prior to joining the Harrison team, she worked in the Greenburgh Central 7, Freeport, and New York City Public School districts. Ms. Heyen is passionate about supporting her students every day at school and being with her family every day.



Renee Katzenberg
Guidance Counselor, HHS
(914) 630-3107
Mrs. Katzenberg received a Bachelor's degree in Social Science from Binghamton University and a Master's degree in counseling and guidance from New York University. Prior to joining the Harrison team, she worked for four years as a College Guidance Counselor at Midwood High School at Brooklyn College.



Cindy Sue Kuen Leong
Guidance Counselor, HHS
(914) 630-3348

 Ms. Leong received her Bachelor's degree in psychology from Pennsylvania State University at University Park and two Master's degrees in education and counseling psychology from Columbia University. Prior to joining the Harrison team, she worked as a counselor for a school district in New Jersey.



Daniel Logue
Guidance Counselor, HHS
(914) 630-3104

Mr. Logue graduated from Pennsylvania State University with a bachelor’s degree in psychology and a master’s degree in school counseling.He also holds a master’s degree in educational leadership from the University of Pennsylvania. For the past five years, Mr. Logue has served as the principal of the SIATech schools in San Diego and Chula Vista, California.He also has eight years of experience as a school counselor and director of student services at the Preparatory Charter School in Philadelphia.

Victoria Jeffery
Director of Guidance Secretary, HHS
(914) 630-3345  


Jacqueline DeGrazia
IB Diploma Programme/ Guidance Secretary, HHS
(914) 630-3098 


Lisa DiTomasso
(914) 630-3099




Counseling Resources