On a Saturday morning in December 2022, Elon Musk summoned finance executives at Twitter, which he had bought six weeks earlier, to a conference call. Then he drilled into a spreadsheet that contained the social media company’s expenditures.

Elon Musk’s preschool, Ad Astra, aims to revolutionize early childhood education with a STEM-focused curriculum blending exploration and life skills. Backed by Musk’s X Foundation, the Texas-based school is the first step in his $100M plan to expand into K-12 schools and a university.