The One Big Beautiful Bill (OBBB) includes some provisions relevant to private schools and donors who support K-12 education. The bill passed on July 3 and is expected to be signed by President Donald Trump by July 4. Most notably, the excise tax on investment income at private universities will now follow a tiered structure, with rates as high as 8% depending on a school's per-student endowment. Schools with significant investment assets may need to reevaluate how those assets are held and m...