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Schools are closed beginning on Friday, March 13 and extending until Tuesday, June 16.



Superintendent's Office

Mr. George Frost, Interim Superintendent of Schools

Prior to beginning his work as Interim Superintendent, Mr. Frost was the Administrator for Human Resources in the Waltham Public Schools since 2012.

Mr. Frost was the Interim Superintendent of Schools in Ayer from July 2007 through June 2011, where he led the effort to form a new regional school district with the Shirley Public Schools. The effort was successful and the Ayer Shirley Regional School District became the first new regional school district in Massachusetts in nearly 30 years.  As part of this process, Mr. Frost wrote a successful statement of interest for a new high school building project which resulted in a $75 million project.  

Mr. Frost also served the Acton Public and Acton-Boxborough Regional Schools as both Deputy Superintendent for Administration and Assistant Superintendent for Curriculum/Instruction from 1994 through 2007. During his time in Acton, he oversaw over $100 million in building construction projects while also handling all personnel functions for the districts. 

Mr. Frost has also done extensive consulting work for the Massachusetts Association of Regional Schools focusing on long term planning projects. He has also served as President of MASPA (state wide organization of personnel administrators.

(781) 314-5400

Administrative Assistant to Superintendent 
Mrs. Marian Parrella 

Phone (781) 314-5401
Fax (781) 314-5411


Administrative Assistant to Superintendent and School Committee
Ms. Andrea Landry

(781) 314-5401



Dr. Elizabeth Homan, Assistant Superintendent for Curriculum and Instruction

Elizabeth Homan came to Waltham Public Schools in 2015 after working as middle school, high school, and post-secondary teacher in the Midwest and as a Digital Learning Specialist for Boston Public Schools. As Administrator of Educational Technology Integration and leader of the Department of Instructional and Information Technology Department for Waltham Public Schools, Dr. Homan seeks to promote and support innovative education that makes purposeful and rigorous use of digital technologies in Waltham classrooms. 

Before moving to Massachusetts, Dr. Homan completed her doctoral work at The University of Michigan, where her dissertation work focused on secondary teachers' social learning and integration of digital technologies across disciplines. She earned her Bachelor of Arts in English and Secondary Education from The University of Illinois in 2007 and her Masters in Curriculum and Instruction from Purdue University in 2009. During these years she also taught 8th, 9th, and 10th grade English Language Arts in Indiana and university courses in writing and ELA teaching methods at both Purdue and Michigan.

When Dr. Homan is not thinking about how educators can richly integrate digital technologies into their practice, she can be found spending time with her daughter Finny, cooking in her kitchen, or enjoying a run with her dog along the Charles River. Her hobbies include crocheting, inventing new recipes, web design, and reading young adult novels.

(781) 314-5404

Administrative Assistant

Ms. Dianne Saran 

(781) 314-5407



Human Resources



Manager of Human Resources

Ms. Pat Chadbourne

(781) 314-5402


Administrative Assistant

Ms. Ana Veras

(781) 314-5709


Ms. Suzana Somers, Administrator of Educational Technology Integration

Suzana Somers comes to Waltham Public Schools after working as an Elementary Teacher in Texas, Technology Specialist, and Director of Instructional Technology. A strong believer in purposeful technology integration, Suzana is passionate about empowering educators to create learning experiences today’s learners need to thrive in their future. Suzana serves on the Communications Committee of MassCUE, the state’s leading organization for educational technology. She has also presented at the International Society of Technology Education (ISTE) and SXSWedu. In 2018, Suzana was one of 36 educators across the nation invited to become a Google for Education Innovator and participate in a year-long mentorship and certification program focused on solving meaningful challenges in education. 

As a first-generation U.S. Citizen, Portuguese was Suzana’s first language. Suzana has spent countless summers with her families in São Paulo, Brazil, and was raised with a strong sense of her cultural heritage. When Suzana is not at work, she enjoys skiing and competing in triathlons. She hopes to someday compete in the Boston Marathon.


Contact Information

(781) 314-5477

Dr. Sara Hamerla, Administrator of English Language Learning

Dr. Sara Hamerla has taught English as a second language, social studies, and bilingual Spanish content. Her teaching experience also includes teaching history and language arts in Colombia and Ecuador. Over the past 20 years, she has served as an ELL coach and administrator in public schools in MassachusettsRecently, she began a project to support teachers as they implement academic conversations. She is a co-author, with Jeff Zwiers, of The K-3 Guide to Academic Conversations: Practices, Scaffolds, and Activities

Sara Hamerla earned an A.B. from Brown University (1991); an M.A.T. in History from Boston University (1992); an M.Ed. in TESOL from Boston University (1993); and an Ed.D. in Literacy, Language, and Cultural Studies from Boston University (2002). She enjoys co-presenting at conferences with her colleagues and facilitating professional development. 

Sara and her family live in Framingham. She is the proud bio, adoptive, and foster parent to many bilingual children (and a dog). She is a mountain biker and often travels to Central and South America.

Mr. Pedro DeLeon, Network Administrator
Mr. John Pinzone, Director of Facilities

John Pinzone came to Waltham Public Schools in 1994 as the district Fiscal Coordinator.  He worked closely with the Business Manager and the bookkeeping and payroll offices.  He assisted in the preparation of the budget and maintained accurate accounting systems in accordance with state and federal laws.  In 2012, he became the Acting Director of Facilities then became the Director the following year.

As Director of Facilities, Mr. Pinzone works closely with school administrators to assure that the buildings and grounds meet the educational and developmental needs of the students and staff.  He oversees the maintenance and custodial staff to ensure clean and safe buildings, oversees the quality of all work and is committed to reducing energy costs and protecting the environment.  He is a member of the School Environmental Management System Committee, City Environmental Committee, Emergency Planning Committee and School Safety Committee.

Mr. Pinzone graduated Cum Laude from Salem State College with a degree in Business Administration.  He is married and has 2 children, Matthew and Taylor.  Mr. Pinzone is an avid golfer and enjoys running, weight lifting, watching his children's sporting events and vacationing.

(781) 314-5420


Karen Lyons

(781) 314-5421


Dr. Nadene Stein, Ph.D., Administrator of Pupil Personnel Services

While Nadene Stein began working in Waltham in 2001, when she was hired as the Principal of Northeast Elementary School, she began her journey as an educational leader over 20 years ago as a principal at a residential program for middle and high school-age adolescents with social, emotional, behavioral and learning difficulties.  After leaving Wayside Union Academy, she worked as an Assistant Principal at the Fuller Elementary School in Gloucester. Dr. Stein has been the Administrator of Pupil Personnel Services since July, 2015. With each professional move, Dr. Stein has worked to build and develop opportunities where teachers and students flourish as leaders and learners.

Dr. Stein has earned a B. A. in English from Boston University (1984); an M.Ed. in Elementary Education from Boston University (1986); an M.Ed. in Special Education with a Specialization in the Transition from School to Adult Life from the University of Massachusetts, Boston (1994); a C.A.G.S. in Educational Leadership from the University of Massachusetts, Boston (1998) and a Ph.D. in Educational Studies with a Specialization in Educational Leadership from Lesley University (2012). Her dissertation is titled, “The Role of Elementary School Principals Supporting Teachers in The Instruction of Reading for English Language Learners.” She is currently an adjunct professor at Lesley University in the Special Education Division and a RETELL (Rethinking Equity and Teaching for English Language Learners) Instructor for the Massachusetts Department of Elementary and Secondary Education.

An active member of the Waltham community, Dr. Stein is the President of the Board of Directors of Healthy Waltham and both the Waltham Land Trust. She also serves on the Advisory Board of the Charles River Community Health Center.  A favorite activity of Dr. Stein’s is playing the baritone horn with the Waltham High School Band. When not working, volunteering or making music, she enjoys spending time with family and friends, reading, knitting and gardening.

(781) 314-5428


Administrative Assistants
Rosanne Iacono
Phone: 781-324-5530                     Fax 781-314-5550
Katelyn Lyons
Phone: 781-314-5430                    Fax 781-314-5550
Diane Hartman, Out of District
Phone 781-314-5431                    Fax 781-314-5550
Ms. Leanne Wilcinski, Business Administrator

Leanne Wilcinski began working for the City of Waltham in 1987, where she worked in the City Auditor’s Office until transferring to the role of School Business Administrator in 2006. Through her tenure, Leanne has gained a breadth and depth of municipal finance knowledge and experience that crosses both school and the municipal boundaries.

When not working, Leanne enjoys spending time with family, practicing yoga and weekends on Cape Cod.

(781) 314-5415

Secretary to Business Manager

Peg Rigoli 

(781) 314-5417



From Route 128 (Interstate 95), going North

Take Exit 27A and go east on Totten Pond Road for 1.5 miles.  Go left on Lexington Street for .5 mile.  Take a right at the light and proceed up the hill to Waltham High School and the Superintendent's Office.

From Route 128 (Interstate 95), going South

Take Exit 27B, and go east toward Waltham on to Totten Pond Road.  Go east on Totten Pond Road for 1.5 miles.  Go left on Lexington Street for .5 mile.  Take a right at the light and proceed up the hill to Waltham High School and the Superintendent's Office.

617 Lexington Street, Waltham, Massachusetts, 02452 United States
Public Records Access


Waltham Public Schools is committed to providing public records in accordance with the provisions of M.G.L. c. 4, sec. 7(26) (Public Records Definitions and Exemptions), M.G.L. c. 66 (Public Records Law), and 950 C.M.R. 32.00 et seq (Public Records Access Regulations).

A public records request may be submitted to the Records Access Officer. Please read the the Public Records Requests document in its entirety HERE.

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