For an opinion on these schools in the context of comments on other liberal arts colleges, see reply #7: Struggling with D21's List. ED & ED2: Amherst, Hamilton, Wellesley, Vassar.
This U.S. News site offers limited information on this aspect based on survey results: https://www.usnews.com/best-colleges/rankings/undergrad-research-programs.
While Middlebury’s robust language offerings do support its popular international studies and abroad programs, only 35 students graduated with a major in the actual languages category in a recent year: College Navigator - Middlebury College.