Dr. Sandie Markowitz

@DeKalbSchools I am pleased to work with you.

Please join us in welcoming Dr. Danielle V. Barnes as the new principal of Redan Middle School! 🎉 With 24 years in education, Dr. Barnes brings a strong commitment to student success, academic excellence, and a positive school culture. More in #DCSDNews: bit.ly/4fwiDmd #TheDeKalbDifference💙🧡

Day 1 of summer PD in the books!! @Osceolaschools @Progress_Led

This is the good life!!! ISTE2026 was so good to us. Thank you to all of our customers for making this event one for the books! @Progress_Led @ISTE_ASCD #iste26

Thank you for being a friend! @Progress_Led

Come see Chris at booth 2409 for the last hour of ISTE! @Progress_Led @ISTE_ASCD

Sophie Cunningham said, “You better come see me at booth 2409 at ISTE.” @Progress_Led @ISTE_ASCD #iste26 #sophiecunningham

I’m obsessed with booth 2409 @Progress_Led @ISTE_ASCD

Im obsessed with booth 2409 @isteconnects @progress_led

Standing in the hall of fame!!! Booth 2409 @Progress_Led @iste14

Day 1 on ISTE was a huge success. If I missed you today then drop by 2409 tomorrow! @Progress_Led @ISTE_ASCD #iste2026

Out of This World Rankings! We loved meeting two of our student winners’ moms at the ISTE booth and seeing their children’s Alien Ranking Cards in action in Progress Learning. Congratulations to all of our talented student artists! @Progress_Led @ISTE_ASCD

Where are you making an impact? @Progress_Led @ISTE_ASCD booth #2409

So excited to see my friends at Diffit today at ISTE. Stop by their booth to check out how to differentiate instruction for your students. #diffit @itsvladg

20 minutes until the next are you smarter than a fifth grader at booth 2409

Come see me at booth 2409 for a chance to win a $25 gift card with Progress Learning. Come play the game are you smarter than the fifth grader?

Are you Smarter than a 5th grader?? Come test it out at 10 AM, 12 PM, 3 PM, and 4:45 PM for chance to win a $25 gift card. The booth number is 2409 with Progress Learning. See you all soon.

Stop by the Progress Learning booth for an immersive experience and chat with me about best practices. @Progress_Led @ISTE_ASCD #ISTE26

Excited to share the latest #GoogleCloudBadge I've earned on #GoogleSkills! developers.google.com/profile/badges…

What an awesome day presenting at the 2026 CCSD SUMMER INSTITUTE: “Elevate the Work: Perfecting Our Practice For Sustainable Success” @ClarendonCSD @Progress_Led #edtech

IGNITE! Summer Leadership Institute is taking vision to impact! @NewtonCoSchools @Progress_Led