Phone: 224-632-3238


Degrees and Certifications:

Mrs. Mary Crystal Costantini

Deerfield Mathematics Teacher since 2003

Google Communities:  

          Costantini - Geometry 2019-2020

          Costantini - Algebra II Advanced 2019-2020

Access to assignment guides, worksheets, documents from class are located on  Access codes are through infinite campus.


Use this link to access Schoology

Use this link to access Calculator Serial Log

Algebra II Advanced