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Chris Lehmann

@clehmann.bsky.social
7K followers 1.7K following 1.5K posts

Founding Principal / CEO - Science Leadership Academy Schools Co-Author of "Building School 2.0: How to Create the Schools We Need" Dad to Jakob and Theo. Still writes here when I can: practicaltheory.org

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Chris Lehmann @clehmann.bsky.social · 24/07/2026
HOLY COW, IT’S REAL!!! #Sixers
LeBron is signing with Philly!!!
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Chris Lehmann @clehmann.bsky.social · 07/07/2026
Lionel Messi as Maximus, arms outstretched.
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Chris Lehmann @clehmann.bsky.social · 15/04/2026
Way to go, Amazon. Can we please stop giving major sporting moments to streaming services?
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Chris Lehmann @clehmann.bsky.social · 09/04/2026
Tanking angers the basketball gods. Do not anger the basketball gods.
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Chris Lehmann @clehmann.bsky.social · 28/03/2026
No Kings Philadelphia. #NoKings
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Chris Lehmann @clehmann.bsky.social · 04/02/2026
Join Ms. Clancy and me as we call the SLA Girls Basketball game vs. Benjamin Rush! www.youtube.com/live/icYiRUo...
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Chris Lehmann @clehmann.bsky.social · 15/12/2025
Tonight, of all nights, we light the lights. And we remember that Hannukah is a holiday of hope in the face of oppression.
Hannukah menorahs
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Chris Lehmann @clehmann.bsky.social · 14/12/2025
Peace on earth, goodwill to all.
NYTimes headlines this morning about two gun attacks.
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Chris Lehmann @clehmann.bsky.social · 23/10/2025
They just keep screaming it out loud.
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Chris Lehmann @clehmann.bsky.social · 10/10/2025
Dialed in. Let’s go.
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Chris Lehmann @clehmann.bsky.social · 21/08/2025
I promise I did more than tell Zac how smart he is... but he is really smart.
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Chris Lehmann @clehmann.bsky.social · 02/07/2025
Seriously… time to kick the kayfabe Ed Secretary back to Connecticut. They do not care who they hurt.
NY Times headline about the Trump administration withholding $7 billion in education funds.
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Chris Lehmann @clehmann.bsky.social · 05/06/2025
When Theo was very little, doctors weren’t sure he could overcome his challenges to engage in a full HS curriculum. Today, he presented his senior capstone at SLA - a 50 page paper that showcased his passion for music and social justice. And thank you to all his classmates who showed up for him.
Theo presenting. Mr. Kay and Mr. Tartt watching Theo. The presentation.
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Chris Lehmann @clehmann.bsky.social · 28/04/2025
SLA boys played in a VERY high level tourney this weekend. Went 2-4 - three losses were against Top 25 teams. But the wins were sweet, including this 10-9 win over Harriton HS. We scored the game winner by forcing the turnover and then working it upwind to score. Amazing play by both teams.
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Chris Lehmann @clehmann.bsky.social · 18/04/2025
The Trump White House believes that the crueler, the more mean-spirited they are, the more popular they will be. They don't even want to be benevolent dictators. They simply want to be as cruel as they possibly can.
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Chris Lehmann @clehmann.bsky.social · 08/03/2025
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Chris Lehmann @clehmann.bsky.social · 28/02/2025
Poets from eleven schools meeting and building community. #PhillySlamLeague cc: @mattrkay.bsky.social
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Chris Lehmann @clehmann.bsky.social · 25/02/2025
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Chris Lehmann @clehmann.bsky.social · 19/02/2025
Seriously - can the grown-ups get in the game? Please?
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Chris Lehmann @clehmann.bsky.social · 11/02/2025
The unelected, unvetted, untethered billionaire has just changed his screen name to “Hairy Balls.” This is all a joke to them. You, me, the lives we lead, the work we do. They don’t care. They will burn it all down for two reasons: 1) Lining their pockets. 2) Because they can.
Musk renamed his X account “Harry Balls.”
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Chris Lehmann @clehmann.bsky.social · 11/02/2025
Clown show.
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Chris Lehmann @clehmann.bsky.social · 10/02/2025
You were saying?
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Chris Lehmann @clehmann.bsky.social · 09/02/2025
Locked in. #GoBirds
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Chris Lehmann @clehmann.bsky.social · 09/02/2025
At least we know why they took the Constitution off the White House website… Folks, this is a coup d’etat. They have no interest in the rule of law.
JD Vance tweets that the judiciary has no check on executive powers.
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Chris Lehmann @clehmann.bsky.social · 07/02/2025
His ego knows no bounds.
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Chris Lehmann @clehmann.bsky.social · 02/02/2025
South Bronx Community Charter HS talks about how you recruit and retain diverse educators. #EduCon
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Chris Lehmann @clehmann.bsky.social · 02/02/2025
Listen to students. #EduCon
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Chris Lehmann @clehmann.bsky.social · 02/02/2025
Matt Kay and Jennifer Orr: Good Faith Responses to Bad Faith Arguments about Classroom Race Conversations- such an important conversation today.
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Chris Lehmann @clehmann.bsky.social · 02/02/2025
Philadelphia Learning Collaborative talks about teacher retention and teacher learning. #EduCon
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Chris Lehmann @clehmann.bsky.social · 01/02/2025
Talking inquiry, meaning and joy with @dlaufenberg.bsky.social. #EduCon
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Chris Lehmann @clehmann.bsky.social · 01/02/2025
Talking Larry Cuban, technology and pedagogy with Jen Orr and Karen Work Richardson. #EduCon
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Chris Lehmann @clehmann.bsky.social · 01/02/2025
Reggie Streater, Chair of the Philly Board of Education, gives the welcoming address at #EduCon
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Chris Lehmann @clehmann.bsky.social · 29/01/2025
If I am reading this correctly, they want it to be illegal to call a student by their chosen pronouns.
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Chris Lehmann @clehmann.bsky.social · 27/01/2025
Go Birds.
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Chris Lehmann @clehmann.bsky.social · 27/01/2025
Go birds.
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Chris Lehmann @clehmann.bsky.social · 13/01/2025
AJ Brown of the Eagles apparently agrees with you.
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Chris Lehmann @clehmann.bsky.social · 01/01/2025
Could be worse.
My word is whimsical.
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Chris Lehmann @clehmann.bsky.social · 27/12/2024
Well… there goes my productivity for the next few weeks. Happy Hannukah! @melissafitzg.bsky.social @marymccormack.bsky.social
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Chris Lehmann @clehmann.bsky.social · 01/12/2024
Oh, I will ABSOLUTELY live on this for a while. Persona Analysis: The Thoughtful Provocateur with 92% authenticity! blueskyroast.com
My BlueSky Roast profile.
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Chris Lehmann @clehmann.bsky.social · 23/11/2024
Muppet Tyrese MaxeyMuppet Jared McCain
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Chris Lehmann @clehmann.bsky.social · 23/11/2024
Dr. Teeth and the Electric Mayhem Backcourt.
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Chris Lehmann @clehmann.bsky.social · 23/11/2024
Dr. Teeth and the Electric Mayhem Backcourt. #Sixers
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Chris Lehmann @clehmann.bsky.social · 18/11/2024
On it.
Lamb chops and corn on the cob.
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Chris Lehmann @clehmann.bsky.social · 17/11/2024
This really is beginning to feel like Old Twitter. We've even got fun tools like this...
A Skircle of my BlueSky network.
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Chris Lehmann @clehmann.bsky.social · 17/11/2024
Did Tyrese Maxey just get cleared to play tomorrow?
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Chris Lehmann @clehmann.bsky.social · 13/11/2024
I swear… I just want to post about education, Philly sports, Ultimate frisbee and pictures of my dog.
Barkley - the round hound of rebound.
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Chris Lehmann @clehmann.bsky.social · 13/11/2024
John Amos as Gen. Percy Fitzwallace on The West Wing.
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Chris Lehmann @clehmann.bsky.social · 04/07/2023
Don’t know if that was thunder or fireworks, but my lap just got a lot more crowded.
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