York Community High School

Mr. Rayan


Contact Information

rrayan@elmhurst205.org (preferred) 

(630) 617-2400 ext 7149

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Ronny Rayan

Science Teacher

Rayan, Ronny (630) 617-2400 ex.7149 Chemistry Teacher



  • B.S. in Biology and Secondary Education with a Minor in Teaching English as a Second Language at Northeastern Illinois University. 
  • Completing my M.S. in Biology at Northeastern Illinois University. 

Teaching Experience: 

  • I have taught both 7th and 8th grade biological and physical science in CPS.  
  • I have taught Chemistry and KI Chemistry. 
  • I am currently teaching Biology. 

Outside of York: 

  • I enjoy exploring other cultures by traveling and trying new ethnic foods.
  • I am a lifetime gardener- favorite plants to grow are fruits and vegetables. 
  • I have two cats and a dog that I have adopted. 
  • I enjoy time with my huge family. I have 35 first cousins. 

Clubs I Sponsor: 

2018-2019 Schedule

Period Class Room
1 Biology  A390
2 Plan Semester 1 / Study Hall Semester 2 A359/ TBD
3 Biology A390
4 Plan  A390
5 Biology  A380 
6 Lunch  A359
7 Biology  A390 
8 Biology A390 



I am very excited to be teaching Biology this school year. I am here to support you, therefore please do not hesitate to email me if you have any questions throughout the semester. 

Class Websites:

Current Assignments