Parents, it’s that time of the year: When you get to spend even MORE time on grocery shopping and meal prep, thanks to school lunches. According to a new report, during the school year, parents spend a total of 432 hours on meal planning and preparation. That breaks down like this:On average, 3 hours per week meal planning. 2 hours per week packing school lunches. When it comes to school lunches, the biggest hurdles are: Finding foods their kids will eat, keeping lunches interesting, and avoiding food waste.