CALDER Center @caldercenter.bsky.social · 25/09/2026New CALDER brief: Researchers partnered with five WA teacher prep programs to examine who becomes a teacher, how candidates are selected, and how academic preparation in college relates to teacher effectiveness. 🔗 caldercenter.org/publications... 142
CALDER Center @caldercenter.bsky.social · 23/09/2026Do university students with stronger academic records become more effective, longer-lasting teachers? New CALDER paper links college application & transcript data in Washington to teacher workforce entry, effectiveness, and retention. 🔗 caldercenter.org/publications... 133
Reposted by CALDER CenterDan Goldhaber @cedr.bsky.social · 23/09/2026Discussion about the Nikole Hannah-Jones (maybe mea culpa) article is everywhere, including on the Gadfly (+lots on family structure & student achievement). +thanks to Amber for the shout-out about our recent @caldercenter.bsky.social WP about team teaching!👇 fordhaminstitute.org/national/res...fordhaminstitute.orgFamily structure, school choice, and a mother’s regrets | Episode 1035 of The Education Gadfly ShowIan Rowe, founder of Vertex Partnership Academies, joins Mike Petrilli and David Griffith to discuss Nikole Hannah-Jones’s recent reflections on her decision to send her daughter to a predominantly Bl... 212
CALDER Center @caldercenter.bsky.social · 13/08/2026New CALDER paper by @cedr.bsky.social, @goodmanyoung.bsky.social, & Luke Caldwell explores the spread of no-zeros grading policies in WA. We find adoption has more than doubled over the past decade and varies widely across districts in design and implementation. 🔗 caldercenter.org/publications... 020
Reposted by CALDER CenterIan Callen @iancallen.bsky.social · 12/08/2026New paper! w/ @edizonross.bsky.social, @cedr.bsky.social, Tom Kane, Andrew McEachin, and @ermorton.bsky.social. We know the pandemic hit student test scores hard. But what happened to attendance, discipline, and grades? Did ESSER-funded intervention programs affect students on these measures? 11511
CALDER Center @caldercenter.bsky.social · 12/08/2026While ESSER-funded interventions had limited success in recovering pandemic test score losses, they may have benefited students in other ways. New CALDER paper examines the impact of tutoring & summer school on non-test student outcomes. 🔗 caldercenter.org/publications... 🧵 Findings 👇 000
Reposted by CALDER CenterMary Laski @marylaski.com · 11/08/2026🚨⬇️🚨 New working paper out!!! 🚨⬇️🚨 caldercenter.org/publications... Pleased to share this paper with Calen Clifton and @cedr.bsky.social on the impact of Next Education Workforce team-based teaching models in Arizona. We find interesting variation in impacts across grades and subjects... (1/6)caldercenter.orgEvidence on Team-Based Teaching Models in Arizona | CALDER Center 195
CALDER Center @caldercenter.bsky.social · 10/08/2026New CALDER paper by @marylaski.com, Calen Clifton, & @cedr.bsky.social studies the impact of team teaching in AZ. Student achievement effects are mostly null overall, but middle school math improves. Teachers also see lower turnover & higher evaluation ratings. Read: caldercenter.org/publications... 083
CALDER Center @caldercenter.bsky.social · 06/08/2026New CALDER paper by Megan Austin, Preeya Mbekeani, @brbackes.bsky.social, Bingjie Chen, & @cedr.bsky.social explores the impact of automatic enrollment into advanced courses for HS students in WA & finds no significant effect on (most) postsecondary outcomes. Read: caldercenter.org/publications... 040
Reposted by CALDER CenterDan Goldhaber @cedr.bsky.social · 17/07/2026Yup, Vivian and I make the case that we need a federal role in education research and dissemination for empirical evidence to really factor into local decision-making. That doesn't imply that @IES can't be improved, I think it can, but it does serve a crucial role in the education ecosystem! 1113
CALDER Center @caldercenter.bsky.social · 16/07/2026📰 New @edweek.org op-ed by CALDER's @cedr.bsky.social & @uvaehd.bsky.social's Vivian Wong: If local leaders are to make evidence-based decisions, federal support for education research is essential to generating and validating the evidence policymakers rely on. Read: www.edweek.org/policy-polit...edweek.orgWhy Local Control Over Education Won't Work Without Federal Support (Opinion)The Trump administration's retreat leaves local education leaders vulnerable 044
CALDER Center @caldercenter.bsky.social · 24/06/2026📰 New @brookings.edu article from CALDER’s @zeyuxu.bsky.social & @brbackes.bsky.social: Corequisite remediation in KY yields better outcomes than prerequisites (particularly in English & QR math), but the benefits are small relative to no remediation. Full article: www.brookings.edu/articles/new... 021
Reposted by CALDER CenterMike DeArmond @mdearmond.bsky.social · 09/06/2026If layoffs become part of the conversation, how districts handle them matters a lot. This @caldercenter.bsky.social One-Pager summarizes how common layoff practices can harm students and deepen inequities—and it highlights some alternatives. caldercenter.org/sites/defaul...caldercenter.org 001
Reposted by CALDER CenterDan Goldhaber @cedr.bsky.social · 04/06/2026New @caldercenter.bsky.social working paper alert! We (many authors) examine what applications to different teaching & principal jobs suggest about the preferences of job applicants for schools: caldercenter.org/publications... 1/n 173
Reposted by CALDER CenterDan Goldhaber @cedr.bsky.social · 03/06/2026A little personal news today: after more than a decade as director of @caldercenter.bsky.social, I'm stepping down. It's been amazing to get to work with terrific folks & the work will continue on lots of projects! 1/2 4252
CALDER Center @caldercenter.bsky.social · 29/05/2026Thanks to everyone who joined our CALDER webinar yesterday on post-pandemic tutoring and summer school academic recovery with Emily Morton! Missed it? Watch the recording here: 🔗 bit.ly/4uxPVwibit.lyVideo Conferencing, Web Conferencing, Webinars, Screen SharingZoom is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, chat, and webinars across mobile, desktop, and room systems. Zoom ... 022
CALDER Center @caldercenter.bsky.social · 27/05/2026📢 TOMORROW: How did districts implement academic interventions following COVID—and what moved the needle for student learning? Hear findings from @nwea.bsky.social’s Emily Morton during a live webinar tomorrow at 2 PM ET. Register: bit.ly/4dLRnoP 022
CALDER Center @caldercenter.bsky.social · 21/05/2026📢 Webinar alert: How did districts deliver tutoring & summer learning post-COVID, and what made a real difference for students? Join @nwea.bsky.social's Emily Morton on May 28 at 2 PM ET for a live webinar where she'll share the latest evidence. Register: bit.ly/4dLRnoP 011
CALDER Center @caldercenter.bsky.social · 18/05/2026How did districts implement academic interventions following COVID—and what moved the needle for student learning? Join us for a live webinar with @nwea.bsky.social’s Emily Morton on May 28 at 2 ET to learn about the latest evidence. Register to save your spot! bit.ly/4dLRnoP 010
CALDER Center @caldercenter.bsky.social · 15/05/2026📣 Save the date: May 28 @ 2 PM ET Join @nwea.bsky.social's Emily Morton for a live webinar as she shares findings on tutoring and summer learning interventions used by districts to support academic recovery following the COVID-19 pandemic. Register 👉 bit.ly/4dLRnoP 033
CALDER Center @caldercenter.bsky.social · 07/05/2026New CALDER paper tracks math achievement for Texas students from 3rd–9th grade, finding that the COVID-19 pandemic hit the lowest-achieving students hardest, and deepened racial & income divides even among kids who started at the same level. Read 👉 bit.ly/4wh6CNU 162
Reposted by CALDER CenterDan Goldhaber @cedr.bsky.social · 01/05/2026We really need to learn a lot more about what constitutes an effective teacher licensure system. Meagan and I discuss (in this brief) what we know and how to move our knowledge about this contentious issue forward so we don't remain stuck in a debate that's been ongoing for about 30 years! 1115
Reposted by CALDER CenterWheelock Educational Policy Center @wheelockpolicybu.bsky.social · 30/04/2026Nearly every state is rethinking teacher licensure, but policymakers lack the research to guide those decisions. A new brief from Meagan Comb at WEPC and @cedr.bsky.social at @caldercenter.bsky.social, "Guardrails or Barriers," makes the case for closing that gap. Read the brief: bit.ly/4w1cKtxbit.lyGuardrails or Barriers: How changes afoot in teacher licensure could help settle decades-long debatesChange is afoot with teacher licensure. In almost every state we know of, there is a conversation happening about the requirements that determine who can become a teacher. But not all states are movin... 041
CALDER Center @caldercenter.bsky.social · 30/04/2026Teacher licensure is being debated in nearly every state, with policies moving in different directions. New CALDER & @wheelockpolicybu.bsky.social brief by Meagan Comb & @cedr.bsky.social explains how this moment can be leveraged to improve the evidence guiding decisions. 👉 bit.ly/4tL5qkjbit.lyGuardrails or Barriers: How Changes Afoot in Teacher Licensure Could Help Settle Decades-long Debates | CALDER Center 031
Reposted by CALDER CenterDan Goldhaber @cedr.bsky.social · 22/04/2026@andrewmcamp.com, Emily Morton, and @mdearmond.bsky.social absolutely rocked it on a @caldercenter.bsky.social about the four-day school week and its impact on teachers. Want to see it (you do!)? Here you go: drive.google.com/file/d/1qx3s...drive.google.comThe Four-Day School Week New Evidence for District Leaders and Policymakers-20260422_165928UTC-Meeting Recording-4/22/2026, 2:28 PM.mp4 022
CALDER Center @caldercenter.bsky.social · 22/04/2026Thanks to everyone who joined us for the four-day school week webinar with Emily Morton and @andrewmcamp.com! If you missed the event, you can view a recording here: caldercenter.org/events/calde... 022
CALDER Center @caldercenter.bsky.social · 22/04/2026🚨 Today's the day! Join Emily Morton & @andrewmcamp.com at 1 ET for a deep dive into the realities of four-day school week implementation and its effects on teacher recruitment and retention. Register ➡️ bit.ly/4rNbwP3 021
CALDER Center @caldercenter.bsky.social · 21/04/2026📢 Happening TOMORROW! Do four-day school weeks deliver on their anticipated benefits? Join Emily Morton & @andrewmcamp.com for a deep dive into the realities of 4DSW implementation and its effects on teacher recruitment and retention. Register ➡️ bit.ly/4rNbwP3 021
CALDER Center @caldercenter.bsky.social · 20/04/2026📢 Just TWO days away! Join Emily Morton and @andrewmcamp.com this Wednesday, April 22 @ 1 PM ET for a webinar exploring the latest research on four‑day school weeks—what the evidence shows and how it can inform district decision‑making. Register ➡️ bit.ly/4rNbwP3 032
CALDER Center @caldercenter.bsky.social · 15/04/2026📢 Just one week away! Join Emily Morton and @andrewmcamp.com next Wednesday, April 22 @ 1 PM ET for a webinar exploring the latest research on four‑day school weeks—what the evidence shows and how it can inform district decision‑making. Register: bit.ly/4rNbwP3 011
CALDER Center @caldercenter.bsky.social · 13/04/2026📢 Webinar alert: What does the evidence really say about four‑day school weeks? Join Emily Morton & @andrewmcamp.com next Wednesday, April 22, for a deep dive into the realities of four‑day school week implementation and its effects on teacher recruitment and retention. Register: bit.ly/4rNbwP3 021
CALDER Center @caldercenter.bsky.social · 06/04/2026Four‑day school weeks are gaining traction—but do they deliver on their promises? Hear new findings from @nwea.bsky.social's Emily Morton & @annenberginstitute.bsky.social's @andrewmcamp.com on April 22 at 1 PM ET. Register: bit.ly/4rNbwP3 067
Reposted by CALDER CenterAmerican Institutes for Research @airinforms.bsky.social · 27/03/2026ICYMI: A new @caldercenter.bsky.social and NCTQ brief shows how states can use better data to improve student teaching experiences and prepare teachers for classroom success. 🔗 caldercenter.org/publications/lesso… 032
CALDER Center @caldercenter.bsky.social · 26/03/2026📢 Save the date: April 22 @ 1 PM ET Join Emily Morton and @andrewmcamp.com for a webinar exploring the latest research on four‑day school weeks—what the evidence shows and how it can inform district decision‑making. Register: bit.ly/4rNbwP3 062
Reposted by CALDER CenterDan Goldhaber @cedr.bsky.social · 24/03/2026Teacher hiring seems to me like an area with low-hanging fruit (for improvement in teacher quality)! 011
CALDER Center @caldercenter.bsky.social · 24/03/2026🎙️In part 3 of NASDTEC's series on teacher hiring, CALDER's @cedr.bsky.social shares research from Spokane Public Schools showing how districts can improve teacher hiring with streamlined professional reference ratings. Listen here: nasdtec.podbean.com/e/wgo-with-t...nasdtec.podbean.comWGO with Teacher Hiring and How LEAs can be more Effective Part 3 with Dan Goldhaber | NASDTEC PodcastsIn this, the 3rd part of a three part series on teacher hiring, Dan Goldhaber, the Director of the Center for Analysis of Longitudinal Data and Education Research (CALDER), which is joint project with... 022
CALDER Center @caldercenter.bsky.social · 19/03/2026The shift from the prerequisite to the corequisite developmental education model has been a success. But is it about avoiding harmful prerequisites or the effectiveness of the coreq model? A new CALDER paper by @zeyuxu.bsky.social & @brbackes.bsky.social uses KY data to investigate. 🔗 bit.ly/41f5ko7 020
CALDER Center @caldercenter.bsky.social · 18/03/2026Heading to Chicago for #AEFP2026 this week? Don't miss these panels featuring CALDER research from Cory Koedel, @roddy-theobald.bsky.social, Preeya Mbekeani, @afgilmour.bsky.social, @zeyuxu.bsky.social, John Krieg, @edizonross.bsky.social, & @brbackes.bsky.social! 053
CALDER Center @caldercenter.bsky.social · 10/03/2026Answering key questions about clinical practice starts with better data. A new CALDER & @nctq.bsky.social brief offers a clear framework and lessons from six states on how to build and use clinical practice data systems. Read ➡️ caldercenter.org/publications... 042
Reposted by CALDER CenterSPARC Center @sparccenter.bsky.social · 25/02/2026The @caldercenter.bsky.social Conference is Monday 3/2 in Arlington, VA. SPARC's @roddy-theobald.bsky.social will present new findings on #SpecialEducation teacher retention from work with @lizbettini.bsky.social, @afgilmour.bsky.social, & LaRon Scott. Register: caldercenter.org/events/17th-...caldercenter.org17th Annual CALDER Conference | CALDER Center 023
CALDER Center @caldercenter.bsky.social · 24/02/2026What do we know about the impact of principals on teachers' working conditions? New CALDER paper from Ataur Rahaman & Cory Koedel uses data from IL to explore this relationship. 🔗https://bit.ly/4kQRpxC (1/2) 174
CALDER Center @caldercenter.bsky.social · 23/02/2026📢 Want to learn about new research on teacher recruitment & retention? Visit our new webpage for the IES funded CALDER Recruitment & Retention Center!🔗 bit.ly/4aJ8FQH And join us for #CALDER2026 next Monday 3/2, where we'll be presenting multiple studies from this work. Register:🔗 bit.ly/3ZSd5Qw 032
Reposted by CALDER CenterDan Goldhaber @cedr.bsky.social · 20/02/2026OK, I told you so, and here's the first freshie: caldercenter.org/publications... Am I going to tell you about it? Nope, you'll just have to join me next week at the Crossroad, i.e., the @caldercenter.bsky.social Conference. Registration link here: docs.google.com/forms/d/e/1F...caldercenter.orgSchool System Selection Processes and Workforce Diversity in Schools | CALDER Center 031
Reposted by CALDER CenterAmerican Institutes for Research @airinforms.bsky.social · 19/02/2026Don’t miss the 17th Annual @caldercenter.bsky.social Conference on 3/2 in Arlington, featuring research on teacher working conditions, retention, and a forward‑looking panel on the future of education research and policy. Register: caldercenter.org/events/17th-annual… 022
Reposted by CALDER CenterDan Goldhaber @cedr.bsky.social · 19/02/2026Lots of SUPER FRESH @caldercenter.bsky.social papers are going to get posted this week before the March 2nd CALDER Conference. You can read them here: caldercenter.org/publications. Or, you can come to the conference to hear about them & ask questions in person: docs.google.com/forms/d/e/1F...caldercenter.orgPublications | CALDER Center 042
CALDER Center @caldercenter.bsky.social · 18/02/2026📢 #CALDER2026 is less than TWO weeks away! Join us on Monday 3/2 in Arlington, VA for a one-day conference featuring research from CALDER experts & discussion between researchers, policymakers & practitioners. Register ➡️ caldercenter.org/events/17th-... @cedr.bsky.social @airinforms.bsky.social 053
CALDER Center @caldercenter.bsky.social · 17/02/2026While the difference between a five-day school week & a four-day school week calendar seems straightforward, in practice, it can be unclear how different they actually are. New CALDER brief by Emily Morton & Jamie Klinenberg uses TX data to unpack variation in school schedules. Read 👉 bit.ly/46N5KW3bit.lyCalendar Confusion: Unpacking Variation in the Four-Day School Week | CALDER Center 021
Reposted by CALDER CenterSPARC Center @sparccenter.bsky.social · 17/02/2026Attend the upcoming #CALDER2026 conference to catch a session by SPARC Center Director @roddy-theobald.bsky.social on Evidence on What Makes Teachers Stay: Schedules, Salaries, and School Leaders! 💡 053
Reposted by CALDER CenterDan Goldhaber @cedr.bsky.social · 17/02/2026All of your questions will be answered! In all seriousness, if you have questions for these folks, please reply to this post and ask them (I'll try to get them in). 011
CALDER Center @caldercenter.bsky.social · 17/02/2026We're at a crossroads—what's next for education policy and research? Join us at #CALDER2026 on March 2 for a roundtable discussion with @carajackson.bsky.social, Nat Malkus (AEI), Amber Northern (U.S. Department of Education), and @cedr.bsky.social. Register 👉 caldercenter.org/events/17th-... 053