Hamilton: http://www.hamilton.edu/academics/departments/courses-and-requirements?dept=Geosciences
Looks like 2 introductory-level and 6-7 non-introductory-level geology courses per semester, if the ed courses are not offered this year, and F and S mean fall and spring offerings.
Colgate: http://www.colgate.edu/academics/courseofferings
Looks like 4 introductory-level and 4-5 non-introductory-level geology courses per semester.
Colorado College: https://www.coloradocollege.edu/academics/dept/geology/courses/course-grid.dot
Looks like 1-2 introductory-level and 6-8 non-introductory-level geology courses in each of the fall 4 blocks and spring 4 blocks.
In numbers of courses, these do not appear to be much greater than the student’s current school, but the student should compare what specific topics are offered at each school to see if any there is any advantage in matching the student’s interests.