Well.. we only have a 'partial block'. What that means is the students attend each class 4 days a week. 3 days for a ~45 minute period, and one day a week for ~90 minutes. (There are two 'block' days.) This gives teacher a chance to do labs, assign in-class essays, and many put tests of these days. Block is good for certain subjects like science & English. But less helpful for math & language where meeting more often is useful than a longer period. It is also very good for classes like music and art.

One reason my son likes block days there are fewer classes to study for on those days. On block days you won't get 5 tests in one day. For him I think it works OK for some classes and less for others. It depends on how the teacher uses the time. A 90 minute lecture isn't going to over very well, but most teachers do something to mix up those days by doing some sort of class or group work. In addition I personally think my son does better with blocks because he has some challenges switching gears. Going to 7 classes all in 7 hours is a bit emotionally exhausting, although I know the kids get used to it. So it depends on what 2E challenge your child has but I personally think it helps my son.