Dr. Mary Henderson (@lead_learner12) header
Dr. Mary Henderson (@lead_learner12) profile picture

Dr. Mary Henderson

@lead_learner12

Superintendent of Roselle School District 12

 Elmhurst, IL
sd12.org
Joined August 2016
  • Tweets2.4K
  • Following308
  • Followers928
320Media
Photo by Dr. Mary Henderson (@lead_learner12)Photo by Dr. Mary Henderson (@lead_learner12)Photo by Dr. Mary Henderson (@lead_learner12)Photo by Dr. Mary Henderson (@lead_learner12)Photo by Dr. Mary Henderson (@lead_learner12)Photo by Dr. Mary Henderson (@lead_learner12)Photo by Dr. Mary Henderson (@lead_learner12)Photo by Dr. Mary Henderson (@lead_learner12)Photo by Dr. Mary Henderson (@lead_learner12)Photo by Dr. Mary Henderson (@lead_learner12)
Dr. Mary Henderson retweeted
Dawn Bridges, Ed.D (@DrDawnIASA) profile picture
Dawn Bridges, Ed.D@DrDawnIASAOct 1
Replying to @gcouros
@gcouros crushing the keynote at our annual conference. #IASA2026 @IllinoisASA #forwardtogether
Image from Dawn Bridges, Ed.D (@DrDawnIASA)
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Dr. Mary Henderson retweeted
Roselle SD12 (@RoselleSD12) profile picture
Roselle SD12@RoselleSD12Aug 13
We are excited to welcome our four new staff members into our Roselle District 12 community! #YouBelongInD12
Image from Roselle SD12 (@RoselleSD12)
Image from Roselle SD12 (@RoselleSD12)
Image from Roselle SD12 (@RoselleSD12)
Image from Roselle SD12 (@RoselleSD12)
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Replying to @AASAHQ @DLawSuper @drgoffney @Kelsall2 @AASAdvocacy
So proud of Illinois’ @Kelsall2!
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Replying to @drkevinbrussell @kgrussell4120 @UNLincoln
Congratulations to Kylie! Proud Dad moment ❤️
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Replying to @DrHillD93
Congratulations, what a blessing!
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Dr. Mary Henderson retweeted
Dawn Bridges, Ed.D (@DrDawnIASA) profile picture
Dawn Bridges, Ed.D@DrDawnIASAFeb 13
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
Image from Dawn Bridges, Ed.D (@DrDawnIASA)
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Let’s go Jen!
Dawn Bridges, Ed.D (@DrDawnIASA) profile pictureDawn Bridges, Ed.D@DrDawnIASAFeb 11
GO JEN GO!!! Please make sure you vote when it's released! You can learn from both candidates this week at the conference.
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Dr. Mary Henderson retweeted
Roselle SD12 (@RoselleSD12) profile picture
Roselle SD12@RoselleSD12Feb 12
First competition of the season for our Roselle Middle School eSports team! Go Ravens! #YouBelongInD12
Image from Roselle SD12 (@RoselleSD12)
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Replying to @IllinoisASA
Let’s go, Jen!
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Thank you to our Roselle learning community for everyone's hard work!
Roselle SD12 (@RoselleSD12) profile pictureRoselle SD12@RoselleSD1230 Oct 2025
Congratulations to Roselle D12's Spring Hills School! #YouBelongInD12
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We are so proud of our learning community and the hard work of our staff and learners!
Roselle SD12 (@RoselleSD12) profile pictureRoselle SD12@RoselleSD1230 Oct 2025
Congratulations to Roselle Middle School!! #YouBelongInD12
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Replying to @ToddWhitaker @MonroeCityHigh
A town close to my heart…both parents raised there and spent so many summers and holidays with my grandparents!!
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Replying to @ErinDeLuga @Wheeling_Cats
Are you working there?
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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
Image from Dr. Mary Henderson (@lead_learner12)
Image from Dr. Mary Henderson (@lead_learner12)
Image from Dr. Mary Henderson (@lead_learner12)
Image from Dr. Mary Henderson (@lead_learner12)
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Dr. Mary Henderson retweeted
Roselle SD12 (@RoselleSD12) profile picture
Roselle SD12@RoselleSD1222 Aug 2025
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
Image from Roselle SD12 (@RoselleSD12)
Image from Roselle SD12 (@RoselleSD12)
Image from Roselle SD12 (@RoselleSD12)
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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
Image from Dr. Mary Henderson (@lead_learner12)
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We can’t wait to welcome our staff tomorrow morning. New year, same vision and purpose fueled by incredible people! #YouBelongInD12
Image from Dr. Mary Henderson (@lead_learner12)
Image from Dr. Mary Henderson (@lead_learner12)
Image from Dr. Mary Henderson (@lead_learner12)
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Replying to @DrDawnIASA @IllinoisASA
What a great lineup in support of superintendents across the state!
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Dr. Mary Henderson retweeted
Roselle SD12 (@RoselleSD12) profile picture
Roselle SD12@RoselleSD127 Aug 2025
What a way to end our summer PD series with a Building Thinking Classrooms workshop presented by our own teacher trainers! #YouBelongInD12!
Image from Roselle SD12 (@RoselleSD12)
Image from Roselle SD12 (@RoselleSD12)
Image from Roselle SD12 (@RoselleSD12)
Image from Roselle SD12 (@RoselleSD12)
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Replying to @carrie_hruby @Mschroeder6
Well deserved, @carrie_hruby and coming from an incredible leader like @Mschroeder6...high praise indeed!
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