Building 21High School

Welcome to Building21


City of Allentown Juneteenth Pageant Information - Sign up by June 14! 

Hybrid Learning Bell Schedule - Starts April 26


Summer Grab and Go Meal Pick-Up will be Monday - Thursday, every day, between the hours of 11:00 AM – 1:00 PM at the following schools: 
Allen HS
Dieruff HS 

South Mountain MS
Harrison Morton MS
Central ES
Hays ES

Students and families must remember to wear a mask & practice social distancing when coming to pick up meals from school buildings.


A message from Superintendent Parker: ASD Board Votes to Renew Contract between District & Building 21, Inc. 

Lehigh University Partnership: A Game-Changing Way To LearnLehigh engineers collaborate on interdisciplinary summer project developing virtual reality lesson plans for local classrooms

Safe2Say Something:A message from Superintendent Parker and resources for parents

Building 21 Parents: Please click here to take our Parent Gallup Survey to provide us feedback on our model.

Lehigh Valley Live: See how these Lehigh Valley educators are transforming STEM lessons

The Morning Call: Building 21 students are learning to garden in urban spaces


Please see our Family Communication for Reopening Letter:
Reopening Family Letter (3).pdf

B21 Contact Hotlines

Summer Job

Graduation 2021

ASD Outlines Tentative Graduations Plans for the Class of 2021. 
Read more.


Recent News