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WELCOME to
Mr. Castanzo's web page
      pcastanz@pottstownsd.org 

Welcome! My name is Mr. Paul Castanzo. This is my 26th year teaching at Pottstown Senior High School. I teach Biology, Advanced Placement Biology, and Environmental Science.  I am also the Science Department Chairperson. I am proud to be a teacher at Pottstown Senior High School. I thoroughly enjoy teaching science to our students.
 
Check out this link: http://www.sciencedaily.com/
Apr
23
Day 1
Tue Apr 23 2019
Apr
23
Graduation Project Journals
Tue Apr 23 2019
pGlo Lab
Jellyfish bio-luminescence gene being expressed in bacteria.
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