The museum is the school.
A free grade 8 lesson, no sign-in. Read a 1940s Library of Congress photograph in five steps, then decide which SI restoration of it you trust. This is how every lesson in the museum school runs: a room of real evidence, a question, and an argument you can defend.

Three objectives: source a photograph at the Library of Congress, use SI with images, and learn how SI can make a fake.
The five-step card students keep beside them for every source.
A docent here is a unique bot, programmed to both the museum program and your child.
The bell system was borrowed from the industrial revolution: bells ring for the end of class to provide the pre-programmed lesson for the whole class. Five illustrations follow. They are invented composites, not real classrooms or real people.

A ninth-grade algebra class opens with a standoff over a phone. Two more interruptions follow. By the bell, less than half the period went to algebra, and the student who came ready to work got the same half as everyone else.

A teacher with three courses to prepare pulls last year’s slides the night before. The lecture runs long, the questions never come, and the class copies notes on a treaty that no one was asked to think about.

A fifth grader understands fractions when she can handle them and draw them. She gets them as a worksheet, and is marked behind. The lesson had one way in, and it was not hers.

A school short a physics teacher gives the course to a first-year teacher certified in biology. He stays one chapter ahead of the class all year. The students can tell.

A strong teacher has 34 students, a pacing calendar set by the district, two weeks of testing and an assembly on Thursday. She knows which students need another day on the unit. The calendar does not have one.
A game here is not an arcade and not a break from the lesson. It is part of the lesson: it draws the student into a real problem, and it is one of the ways a student shows what they understand. Two from each subject, across the grades.
A number is a place before it is a quantity; estimating and measuring position; negatives as places below zero
A correct number is not yet a claim; proof order (Elements I.32); triangle congruence (I.8); reason in every row
Early chemistry reasoning — what mixes, what changes.
The post-1950 acceleration: carbon accounting, machine-speed learning, gene editing, the Anthropocene debate, and the next threshold as decision.
Reading specifications; why surplus needed guarding, counting and sealing; quay logistics; lake-city engineering
The Code Shop — a program is an instruction that cannot be misunderstood, and why that is hard to achieve.
Price as information — what the crowd knows.
Counterfactual reasoning — contingency in history.
A building opens its door here the day it is published. The others are still being built.
Rooms, tools, tables and beds: how ordinary life was actually lived.
Streets, towers, and the people who stack themselves a hundred floors high.
Revolutionary change: the machines, the crowds, and the ideas that turned the world over.
The sea between two ports, and the outlaws who ran the water between them. Ships, weapons, and the law’s long reach.
Where the curriculum lives: every hall a claim, a counterclaim, and the evidence both ways.
The lab table, the instrument, the proof. The method itself is the exhibit.
One beanstalk of make-believe, from the pretend door to the cottage in the woods. Enter at any rung.
Four walks through fifty of the world’s museums, ranked by historical weight. No login, no account.
The animals people made their partners: sheep and wool, goats, cattle, pigs, horses, poultry, bees, cats and dogs. Live barn cameras.