Fwiw, my daughter graduated MechE last year at Purdue. It was certainly a challenging curriculum for her, but it was certainly collaborative - she had many working groups and project teams tackling difficult courses.
Purdue does list which T2M majors are in demand and have capacity limits.
(currently AAE, BME, MDE, and ME),
And fwiw, they report
Over the past five years 93% to 95% of students who have met minimum requirements for transition-to-major have received their first choice.