Welcome to the MCST High School Main Office

Penny Manser - Principal Jackson's Secretary

Phone: 973-627-4600 x260


Degrees and Certifications:

Mrs. Penny Manser

Mrs. Manser came to MCST from the Madison School District in 2014. In addition to administrative duties for Ms. Jackson, Mrs.Manser oversees the workings of the main office and staff. Mrs. Manser assists students and staff with graduation, appointments, PTO and free and reduced lunch among many other things.   

She is an avid Yankees fan and enjoys going to games in her spare time. 

Denise Trimmer - Secretary to Supervisors of Instruction

Phone: 973-627-4600 x226


Degrees and Certifications:

Mrs. Denise Trimmer

Mrs. Trimmer joined MCST in 2008 after many years of employment in the industrial arts. She provides administrative support to the CTE and Core Academic Instructional Supervisors in all aspects of keeping a busy school afloat; purchasing, communications, faculty assistance, record keeping, MySchoolBucks, etc. and thoroughly enjoys being a member of the main office support team.

Mrs. Trimmer will happily answer any question you may have and/or direct you accordingly.

Lynn Mankofsky - Main Office Secretary



Degrees and Certifications:

Ms. Lynn Mankofsky

Ms. Mankofsky came to MCST from Hackettstown BOE in July 2017. She handles all aspects of running a busy desk at the forefront of the main office, coordinates field trips for the student population, as well as substitute teacher assignments. Ms. Mankofsky thoroughly enjoys her position at MCST, as well providing support to and interacting with all students and staff!

In her spare time, Ms. Mankofsky is a huge fan of healthy living and exercise. She shares her home with 2 very spoiled felines and proudly has their pictures displayed on her desk in the main office.