ai-grading
(3)
Derek Jeter Wants to Keep Your Cards Out of the Shoebox
The Hall of Fame shortstop and the founder of LegalZoom built a company around a simple frustration: card collecting is a great hobby wrapped in a bad logistics problem. Arena Club grades, vaults, and trades the cards so collectors do not have to.
Edexia
Edexia is a Brisbane-founded, Y Combinator-backed (W25) AI teaching assistant that grades essays and written work in each teacher's own marking style. Built for secondary English across IB, VCE, HSC, QCE and WACE curricula, it learns from teacher corrections to deliver consistent, rubric-aligned feedback, cutting marking time while keeping educators in control of every comment before it reaches a student.
NoRedInk
NoRedInk is a K-12 writing platform used in more than 10,000 schools that helps students in grades 3-12 become stronger writers through adaptive, interest-based exercises, scaffolded composition tools, and an AI-powered Grading Assistant that cuts teacher grading time roughly in half. Founded in 2012 by former Chicago English teacher Jeff Scheur, the company builds around a taxonomy of common student writing errors and personalizes practice using topics students actually care about. Students have completed billions of exercises on the platform.