Is UCLA or Amherst better for undergraduate teaching?

Amherst is typically the stronger choice if your main priority is undergraduate teaching and close faculty mentorship. It is a small liberal arts college focused almost entirely on undergraduates, so classes tend to be discussion-based, professors are central to the student experience, and advising relationships are usually much easier to build early. UCLA absolutely offers excellent teaching in many departments, but it is a large research university where access can vary more by major, course level, and how proactive you are.

Amherst tends to suit students who want professors to know them well, write detailed recommendation letters, and involve them directly in seminars, office-hour conversations, and independent research. Because there are no graduate students competing for the same academic attention in the same way you would see at a major university, undergraduates are often the clear priority in classrooms and advising. That structure usually makes mentorship feel more built in rather than something you have to chase.

UCLA fits students who are comfortable navigating a bigger system and taking initiative to find smaller academic communities within it. Intro classes can be large, especially in high-demand subjects, and some discussion sections or labs may be led by teaching assistants. At the same time, once students move into upper-division work, honors programs, departmental research, and smaller seminars, many find outstanding professors and strong mentoring. The teaching quality can be excellent, but the experience is less uniformly intimate.

If you are judging purely on the undergraduate teaching environment, Amherst has the clearer advantage. If you want the scale, breadth, and research ecosystem of a major public university and are willing to work more actively to create close faculty relationships, UCLA can still be a very strong place to learn.