Alessandra Trosclair


Alessandra Trosclair teaches Physical Science 300 and Chemistry 300 at South High, and has previously taught Biology 300, Biology 200, and Physical Science 200. She is also a Classboard Sponsor and a member of the Care Team. Ms. Trosclair earned her Masters of Education from Lewis University and Bachelors from Northern Illinois University.

Favorite Thing About D99: “Working with a diverse population of students and helping them achieve their goals.”

Started at D99: 1999

Ms. Trosclair’s Class Website

Office Location


Mail Location

Downers Grove South High School