the average weight depends on height. tall 4th grader would be around 80-90 average for a more shorter would be about 80-100 for medium 4th grader would be 70-94 (:
100 is the average with a standard deviation of 15.
In bed by 9:00
There really is no average at this age. Different people have different body types, but the average is about 80 pounds.
Wide enough to swallow an average 4th grader.