Pre-Kindergarten 23

  • Parent/teacher conferences will take place on December 16th.  There are not enough time slots for everyone. I will be sending a notice to the parents I would like to meet with regarding students' performance first. If you do not get a conference notice but would like to schedule a confrence please email me directly and I can try my best to accommodate everyone by filling in any empty time slots. 
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Degrees and Certifications:

Ms. Seiser

Pre-Kindergarten 23

NYS Certifications


Birth-2nd Students with Disabilities

Childhood Education

Childhood Education Students with Disabilities 


Welcome to Ms. Seiser’s Pre-Kindergarten Classroom!

I would like to take this opportunity to introduce myself. I am Ms. Seiser and will be your child’s teacher for the 2022-2023 school year. This will be my 6th school year teaching at School 21.  I received my bachelor’s degree in Childhood Education from Pace University and my Masters degree from Hunter College in Early Childhood Education, as well as, my Special Education degree. This will be my 11th year teaching. It was such a pleasure to meet your children and I am looking forward to getting to know all my students better as the year goes on. I will be sending out questionnaires. Please be sure to fill them out and return them as soon as possible. This will help me get to know them better.  I will be sending out class emails to share important class and school information. I believe in the importance of communication so please feel free to email me with any questions or concerns. My email is



How to access remote learning platforms:

How to get to CLEVER:

1.  There is a link on the School 21 Website


2.  Go to Clever login, make sure that you are on Yonkers Public Schools District Page, Log in with Clever

Enter student user name, which is your child's 6 digit Yonkers Id Number@ yonkerspublic schools .org

Password is the students birthday; mmddyyyy  (december 25, 2020)


User Name:

Password:  12252020

Contact me at if you need your child's ID number   


  • Important dates to know:
    Orientation is September 7th.
    Full day inscruction begins September 8th.
    School will be closed on September 26 and 27th.
    School will be closed for Columbus Day October 10th 
    School will be closed for students Election Day Novemeber 8th.
    Parent/Teacher Conferences - 12/16
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  • Supply List 2022-2023

    • 12 inch plastic storage bin
    • Plastic nap mat – NO fabric
    • Plastic smock- NO fabric
    • Labeled backpack
    • Labeled clear zip lock bag of change of clothes
    • 2 Large first step pencil
    • Crayons
    • Markers
    • Colored pencils
    • 4 Glue sticks
    • 2 wet glue
    • Playdoh
    • 2 folders
    • 2 boxes of tissues
    • 2 bottles of hand sanitizer
    • 3 packs of baby wipes
    • 2-3 rolls of Clorox or disinfecting wipes
    • 1 box of gallon and snack zip lock bags
    • 2 rolls of paper towels


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  • Information About Learning Platforms

    What is Microsoft Teams?

    Microsoft Teams is a group collaboration application. It will allow us to conduct video work remotely. As much as possible, we are using Microsoft Teams to replicate the typical interactions we have with our students. It’s also multi-platform so teachers and students can use it regardless of what computer, tablet or smartphone they use.

    Sign in and get started with Teams

    1. Start Teams. In Windows, click Start. > Microsoft Teams. On Mac, go to the Applications folder and click Microsoft Teams. On mobile, tap the Teams
    2. Sign in with your Microsoft 365 username and password.

    What is Clever?

    Clever is an easy way for your child to access almost all their learning applications/assignments. With Clever, you only have to remember one username and password. From your Clever Portal, click on the application icon where your child’s assignment is and complete the assignment.


    Parent Portal Information:



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