Princeton 父母年收入< $100,000，基本上是零付費。

Most families whose annual income is less than $100,000 will pay nothing for tuition, room and board

https://www.princeton.edu/news/2022/09/08/princeton-will-enhance-its-groundbreaking-financial-aid-program

• Chart contains information based on families with assets less than $150,000, residing in the United States with one child enrolled in college. Assets do not include retirement holdings or primary residence. Assets do include non-retirement investments, 529 plan college savings, student assets and investments, non-primary vacation and other homes.