Math nerd who accidentally became a policy person. Cats remain undefeated as my true employer
Joined November 2025
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Lindsey H. retweeted
Students deserve safe, effective AI tools. Educators need to be empowered. Parents must have transparency.
That's why we've updated our model policy and FAQs for student-facing digital tools in K-12 schools.
Read the blog: excelined.org/2026/02/25/fut…
Lindsey H. retweeted
Mississippi students continue to prove what’s possible when high expectations are paired with strong teaching and leadership. This year’s accountability results, earned under higher standards, are worth celebrating. excelined.org/2026/10/19/mis…
Lindsey H. retweeted
How is Houston ISD keeping its best teachers in the classroom? Host Justine Morina sits down with Superintendent Mike Miles to talk Texas’ Teacher Incentive Allotment on this week's Policy Changes Lives episode. Listen here 🎧 shows.acast.com/policy-chang… @HISDSupe #edpolicy #Texas
Lindsey H. retweeted
Bush: Parents shouldn't have to be data analysts to know whether their children are on track. Honest information is the first step toward timely help buff.ly/xmrmVRz
Lindsey H. retweeted
#California is now the largest state to require early math screening for K-2 students. ExcelinEd's Lindsey Henderson tells Education Week why implementation is the real test: "policy is step zero." Read the full article here: edweek.org/teaching-learning… #MathMatters
Lindsey H. retweeted
#California is taking action to strengthen early math instruction. A new law will require schools to screen K-2 students for math challenges and provide evidence-based support before students fall behind. Early identification + targeted intervention can help more students build a strong foundation for future learning. kpbs.org/news/education/2026…
Lindsey H. retweeted
SB 1067, sponsored by EdVoice and authored by Sen. Akilah Weber Pierson, has been signed by the Governor and KPBS is highlighting how the new law will help identify K-2 students who need additional support and connect them with evidence-based interventions.
Our CEO Marshall Tuck shared why early identification matters and how SB 1067 can help make math a bigger priority in California schools. 📚
📺 Thank you, KPBS, for highlighting our organization and bringing this important conversation to more families and educators!
See the full story at the link in bio.
Lindsey H. retweeted
Is high school math really preparing students for what's next? Host Tim Flatley sits down with Steve Hood of Utah System of Higher Education to explore math pathways and the transition to college-level work. shows.acast.com/policy-chang…
Lindsey H. retweeted
New Policy Changes Lives podcast episode! #Georgia's Ian Caraway joins host Adriana Harrington to explain why states need better governance to build real pathways from K-12 to college, careers and the workforce.
Listen now: shows.acast.com/policy-chang…
Lindsey H. retweeted
Some schools will have to use state-approved math textbooks only with no consensus on what they should or shouldn’t include buff.ly/LdhHOUC
Lindsey H. retweeted
How should students use screens and AI in education? Hosts Cara Candal and Ji Soo Song ( @jisoosong2017) sit down with Michael Horn (@michaelbhorn) on ExcelinEd's Policy Changes Lives season 3 premiere to unpack it. Listen now! 🎧 #EdTech #AIinEd
shows.acast.com/policy-chang…
Lindsey H. retweeted
Most #California 8th graders are not meeting grade-level math standards, and new EdSource data shows the majority do not catch up before graduation. In 2024-25, more than 66% of 8th graders fell short, and students who miss foundational math skills early are less likely to take the courses they need for high school and college. Strong, early math support gives every student a fair shot.
Read the full analysis here: edsource.org/2026/california… #MathMatters
Lindsey H. retweeted
📣 Registration for the 2026 National Summit on Education is NOW OPEN!
Join us December 2-4 in Washington, D.C. for two days of inspiring speakers & strategy sessions designed to accelerate student-centered education solutions across the nation.
Secure your spot today: ExcelinEdSummit.org #EIE26
Lindsey H. retweeted
ExcelinEd in the field ➡️ Lindsey Henderson, Senior Math Policy Director, and Marcos Lopez, West Regional Advocacy Director, were in #Utah earlier this week discussing evidence-based policy solutions to strengthen and improve student math outcomes! #MathMatters
Lindsey H. retweeted
🎉 ANOTHER MILESTONE!
SB 1067 has passed the California Assembly Floor, bringing us one step closer to ensuring every K-2 student has access to early math assessments and the supports they need to succeed. 📚
Thank you to Senator Weber Pierson for championing SB 1067 every step of the way, and to Asm. Rubio for earnestly advocating for the bill on the Assembly Floor.
Next stop: the Governor's desk! 🚀 #SB1067
Lindsey H. retweeted
"The research behind early assessment and targeted intervention is clear, and the need is urgent. Twenty states have already incorporated early math assessments into their academic improvement strategies and are beginning to see results. Some California schools have already incorporated K-2 math assessments into their instructional practices, but access depends largely on where a child attends school."
Read more at: sacbee.com/opinion/op-ed/art…
Lindsey H. retweeted
Registration for the 2026 National Summit on Education opens in 1 week!
Learn more about the National Summit, and sign up to get notified when registration opens, here: ExcelinEdSummit.org #EIE26
Lindsey H. retweeted
Literacy has taken center stage, but student math performance remains a critical concern. Swipe through to read key quotes from state leaders and researchers from our recent webinar on rethinking math policy, supporting teachers, and boosting student outcomes.
Missed the live session? Catch the full recording here: buff.ly/h2StfsC
Lindsey H. retweeted
Who's ready to join us in Washington, D.C.?! Be a part of discussions on solutions to address persistent and emerging challenges in education at the 2026 National Summit on Education.
Here's a look back at last year's National Summit: youtu.be/TpLOcVuxiO0?si=uz_A…
Registration opens Aug. 31 — learn more and sign up to get notified at ExcelinEdSummit.org
#EIE26
Lindsey H. retweeted
Data science starts with math. A recent survey found that parents and educators ranked strong foundations in core academic subjects, including math, ahead of coding and prompting tools when asked what skills matter most for students' future success.
Students need strong mathematical knowledge and skills to make sense of data, identify patterns and draw conclusions. Foundational math is the gateway to deeper data science learning.
Read the full results from @MathematicaNow & @dsforeveryone here ⤵️ #MathMatters #DataScienceEducation #MathEducation mathematica.org/publications…
