Yes - after many years of trying to keep four kids and two adults on track, here's what works for me. First, you need to separate out Routines from Chores from the Calendar.
Routines: basic self care and things you want the kids to do automatically, every day. When the kids were smaller, I made laminated morning, afternoon and night routines with pictures. Morning was things like eat breakfast, get dressed, brush teeth, make bed, pack lunch/snack/water, check backpack. Afternoon including things like hanging up jackets, emptying lunchboxes, putting notices on my desk and homework. Night has the bedtime routine, which includes things like locating hats & gloves in the winter or packing a swimsuit and towel in the summer so there are no surprises in the morning.
Chores: these are additional things that they do in addition to self-care routine tasks like making their beds or putting dirty clothes in the hamper. Things like setting the table, vacuuming, weeding, etc.
Finally, the Calendar: I use a paper monthly calendar from Fly Lady. It's on the wall in my kitchen in a place that can't be missed. Here is where things like Monday is library day or Wednesday is gym go, as well as sports and activities schedule, working late or travel days, dentist and doctor appointments, play dates...basically who need to be what and where and when. I also put things like spelling test days or project due dates for the younger kids. We each have a color in which I write everyone's appointments. My little guys can look for blue or green items and see what's going on that week. I also replicate this calendar electronically via Cozi, a free web-based calendar. This way, those appointments can synch with my Outlook so I see things at work and can go to our phones (me, husband and older kids) so that we can get text reminders of things that we're tagged in.
It sounds like a lot of work but once you get everyone in the habit of checking the wall calendar, leaving all papers for you in one place, planning the morning the night before, and syncing up your paper and e-calendars twice a week, it runs pretty smoothly.