When you mention extraneous activities, how many hours per week do you think there are of these things? I have heard that the classes practically last all day. This is somewhat concerning to me because it would be a bummer if you go 8-5 pm everyday and then haven't even started studying...
I live close by off campus. Lectures may start at any time from 0800 to 1000, depending on the week. Usually they start at 0900. Lectures always end by noon. Mondays and Tuesdays are the extraneous days where you spend 1300 to 1700 or 1800 EITHER in Essentials of Clinical Medicine (ECM) or Osteopathic Principles (OPP). ECM is semi-fast paced simulations, often with the standardized patients. You take histories, write SOAP notes, and learn how to do it all in less than 13 mins or so from memory with a blank sheet of paper. You turn in the SOAP notes for credit and get graded based on a known rubric. This is probably why rotation sites apparently love WesternU students. When we rotate at Cedars Sinai or wherever, we are actually competent in clinical settings for basic things. However, I don't know if other schools do this too. OPP is where you learn your wizard spells. It also complements ECM in terms of performing the structural/physical exams. OPP is relaxing for me. Maybe this is where some may think time is wasted. Small-group/big-group hasn't really started for us, but that is Wed mornings instead of lectures. Wed, Thurs, and Fri afternoons are dissections in anatomy lab from 1300 to 1800 sometimes, but you only dissect every other day. Every day that has a dissection will have an unsecured online quiz on what was done. It takes maybe 30 minutes of looking at PPT to get ready for that. So... MANDATORY classes are ECM, OPP, small-group/big group, and your dissection. There are periodic mandatory classes outside of this, but maybe it's once a week. If you want to preview material or "get-ahead", you can watch previous year's lectures or the ISAC lectures online.
I get on campus at 0700 and do my previews or reviews until lecture. Sometimes I listen to the lecture at 2X speed at this time and then decide if I feel like sitting in lecture. But I love the strong AC, so I'll color in my anatomy coloring book, do my Anki cards, or draw the G-damn cervical+brachial plexus with the arteries during lecture. Lunch is for weaklings so I munch on beef jerky or trail mix as I wander the HEC, looking for a study room, to go over my dissection in the afternoon. OR get slight anxiety over ECM because I want to be more competent than I think I am at talking to patients whilst writing the SOAP note. I get home around 1700 to 1800 and review what I did and finish things left undone earlier in the day. Then I walk my dog with the wife and play League of Legends for two hours. If I'm feeling good, I study for one more hour. If I'm not, I play an instrument or assemble furniture that I procrastinated on. I have been able to take about two whole days off from studying per week, possibly due to my undergrad experience in human physiology, but haven't taken the first exam yet, so maybe I'm being a ***** with all the breaks.
People with complaints for free time are probably one of the following: 1) Aiming ortho, derm, surg, etc., 2) Have kids, 3) Commute about an hour daily, 4) Are of average capacity or study habits, 5) Serious time wasters who are in denial, 6) Delusional about DO schools in general (think they can do research, honor their classes, study for USMLE AND COMLEX, do volunteer work, and deliver babies in burning buildings). The second-years I spoke with who honors most of their classes tend to go to lectures and stay on campus from 0800 until 2300. They still waste 50% of the time from 1700 til 2300 on Facebook, etc. ECM is probably not extraneous. OPP is not either (it's a DO school). Small-group, yes, but you can make it work if you keep the group on track. There are a few other classes like ISSM and training sessions, but it's only a few hours. All-in-all, every class serves a purpose and if you aren't rote studying isolated facts, and periodically review EVERYTHING in a methodical manner, board prep won't be an issue.