Dr. Mary Henderson

Superintendent of Roselle School District 12

[Dawn Bridges, Ed.D @DrDawnIASA]

@gcouros crushing the keynote at our annual conference. #IASA2026 @IllinoisASA #forwardtogether

[Roselle SD12 @RoselleSD12]

We are excited to welcome our four new staff members into our Roselle District 12 community! #YouBelongInD12

[Dr. Mary Henderson @lead_learner12]

@AASAHQ @DLawSuper @drgoffney @Kelsall2 @AASAdvocacy So proud of Illinois’ @Kelsall2!

[Dr. Mary Henderson @lead_learner12]

@drkevinbrussell @kgrussell4120 @UNLincoln Congratulations to Kylie! Proud Dad moment ❤️

[Dr. Mary Henderson @lead_learner12]

@DrHillD93 Congratulations, what a blessing!

[Dawn Bridges, Ed.D @DrDawnIASA]

Congrats to Jennifer Kelsall, Illinois superintendent running for AASA president! Voting is now open! Show your support for our friend and colleague Jen who is doing this hard work every day for
Kids!!! #leadership

[Dr. Mary Henderson @lead_learner12]

Let’s go Jen!

[Dawn Bridges, Ed.D @DrDawnIASA]

GO JEN GO!!! Please make sure you vote when it's released! You can learn from both candidates this week at the conference.

[Roselle SD12 @RoselleSD12]

First competition of the season for our Roselle Middle School eSports team! Go Ravens! #YouBelongInD12

[Dr. Mary Henderson @lead_learner12]

@IllinoisASA Let’s go, Jen!

[Dr. Mary Henderson @lead_learner12]

Thank you to our Roselle learning community for everyone's hard work!

[Roselle SD12 @RoselleSD12]

Congratulations to Roselle D12's Spring Hills School! #YouBelongInD12

[Dr. Mary Henderson @lead_learner12]

We are so proud of our learning community and the hard work of our staff and learners!

[Roselle SD12 @RoselleSD12]

Congratulations to Roselle Middle School!! #YouBelongInD12

[Dr. Mary Henderson @lead_learner12]

@ToddWhitaker @MonroeCityHigh A town close to my heart…both parents raised there and spent so many summers and holidays with my grandparents!!

[Dr. Mary Henderson @lead_learner12]

@ErinDeLuga @Wheeling_Cats Are you working there?

[Dr. Mary Henderson @lead_learner12]

Ending Week 1 in the best possible way…8th graders walking over to welcome our kindergarten learners and gifting them their first spirit wear, hard to tell which group loved it more! #YouBelongInD12

[Roselle SD12 @RoselleSD12]

Mr. Rogers taught us that curiosity opens the door to understanding. Our support teams at Spring Hills are ready to guide students on that journey. #YouBelongInD12

[Dr. Mary Henderson @lead_learner12]

The admin team arrived in the neighborhood in time to welcome back our amazing staff. We are ready to “Engage, Explore, and Wonder Together!” YouBelongInD12

[Dr. Mary Henderson @lead_learner12]

We can’t wait to welcome our staff tomorrow morning. New year, same vision and purpose fueled by incredible people! #YouBelongInD12

[Dr. Mary Henderson @lead_learner12]

@DrDawnIASA @IllinoisASA What a great lineup in support of superintendents across the state!

[Roselle SD12 @RoselleSD12]

What a way to end our summer PD series with a Building Thinking Classrooms workshop presented by our own teacher trainers! #YouBelongInD12!

[Dr. Mary Henderson @lead_learner12]

@carrie_hruby @Mschroeder6 Well deserved, @carrie_hruby and coming from an incredible leader like @Mschroeder6...high praise indeed!