Principal's Message


May PostmaIt is with great pleasure that I welcome you to the Round Valley School website!

I am honored to serve as the new Principal of Round Valley School. RVS provides a positive, safe, and caring environment where all of our third, fourth and fifth grade students are challenged as they learn and grow. All members of our school community are committed to helping students thrive socially, emotionally, academically and physically.

Our students are provided with a program of study that includes balanced literacy, mathematics using real-life applications and the development of problem solving skills, next-generation science instruction and a robust social studies curriculum. Differentiation of instruction is used to tailor learning to the needs of individual students. A diverse Special Area program is also offered to enhance each student’s school experience.

The Responsive Classroom approach is utilized to help build our classroom communities. Our three school rules are, “Take Care of Yourself, Others and our Environment.” We have an amazing student body of respectful, motivated and enthusiastic learners.

I hope that you are able to take some time to explore our website. If you have any questions that you can not find addressed through your search, please contact us and we will be happy to assist you.


Mary Postma, Principal


school information

Welcome to Round Valley School!
128 Cokesbury Road
Lebanon, NJ 08833
Phone: (908) 236-6341
Fax: (908) 236-2847

Mrs. Mary Postma
Phone: (908) 236-6341 x301

Mrs. Ann Teitelbaum
School Nurse
Phone: (908) 236-6341 x305

  Start Time End Time
Regular Hours 8:50 1:00
Early Dismissal 8:50 12:50

Summer Hours

All CTSD buildings will be open Monday-Thursday 8am-3pm for staff only. Please remember to sign up with your building before coming in.

At this time, all parent wishing to visit a school building should email the building's principal to set up an appointment.

To register a new student please contact the BOE office at 908-236-7235 to set up an appointment.

School Status

Virtual Instruction
SchoolMessenger Alerts

CTSD - Alert - Virtual Day 1/26/21

Tue, Jan 26, 2021
Due to the potential for inclement weather, the Clinton Township School District will operate on an ...

Recent News

Free Lunch
Read More

IPM Plan


HIB Information


Anti Bullying Specialists
Alex Ruttenberg & Christina Giordano
128 Cokesbury Road
Lebanon, NJ 08833

Anti-Bullying Coordinator
Melissa Goad
Patrick McGaheran School
63 Allerton Road
Lebanon, NJ 08833