contact info home page
Ms. Leider's Science Page
 Ms. Leider's Science Page
Course Syllabus
 Course Syllabus
Class Rules and Expectations
 Class Rules and Expectations
My Calendar
 My Calendar
Test Preparation Tips and Study Guides
 Test Preparation Tips and Study Guides
Supply List
 Supply List
Contact Me!
 Contact Me!
My Links
 My Links
My Quizzes
 My Quizzes
Contact Me! Contact Me!

I am available before or after school to discuss any issues or concerns you may have.  Please feel free to contact me at:

                       773.278.4212 x 3135

                                  or

                        mleider@holytrinity-hs.org

                                     animated ringing phone







Ms. Leider's Science Site!
Holy Trinity High School