BTW, the AAMC has very handy database that has all kinds of data on med school curricula:
[Curriculum Inventory and Reports (CIR)](https://www.aamc.org/initiatives/cir/474336/35.html)
Go to this url–> https://www.aamc.org/initiatives/cir/426810/05d.html to see the public data about various aspects of med school curricula–like how many weeks of various specialties med students are exposed to, how long didactic instruction lasts, typs of instruction used, number of hospital sites sued by various types of med schools, etc.
According to this chart–>https://www.aamc.org/initiatives/cir/474336/35.html
–there are 3 med schools which complete didactics by the end of spring in Year 1.
–there are 45 med school which complete didactics by mid-year (December/January) of Year 2; clerkships start in the spring of year 2.
–there are 85 med school where didactics runs through spring of Year 2; clerkships start in the summer