Coalition for Access, Affordability and Success (简称CAAS)系统，是美本申请的一个重要系统。有140多所美国学校可以通过此系统来申请。
2020年文书题目和2019年文书题目保持了一致，没有做任何修改。详情如下：
Tell a story from your life, describing an experience that either demonstrates your character or helped to shape it.
讲述生活中的一件事，描述这个经历如何塑造或者影响了你的性格特征。
Describe a time when you made a meaningful contribution to others in which the greater good was your focus. Discuss the challenges and rewards of making your contribution.
描述一个你为了他人做贡献的事情，说明下在这个过程中你遇到的挑战以及获得的汇报。
Has there been a time when you’ve had a long-cherished or accepted belief challenged? How did you respond? How did the challenge affect your beliefs?
是否曾经有过这样一个时刻，你长久坚持或者接受的信仰被挑战？你是如何回应的？这个挑战对你的信仰造成了什么样的影响？
What is the hardest part of being a teenager now? What’s the best part? What advice would you give a younger sibling or friend (assuming they would listen to you)?
成为青少年的过程中最艰难的历程是什么？最棒的历程是什么？假如你年龄小的亲戚或者朋友听从你建议的话，你会给他们什么样的建议？
Submit an essay on a topic of your choice.
任意发挥题目。
和Common文书要求的250到650词数不同，CAAS系统建议学生最好将文书写作控制在500到550词数之间。
