I first read this book a number of years ago, and have to say that it was another push toward homeschooling for me, or at least, another piece of the puzzle that backed my decision. I am going to re-read it soon, but just glancing through it now, I was able to find the chapter called "School Daze". An excerpt:
[The gorilla (the teacher) is speaking to the girl (the pupil of the story)] "Most of the adults in your society seem to have forgotten what went on when they were in school as small children. If, as adults, they were forced to see it all again through the eyes of their children, I think they'd be astounded and horrified."
"Yeah, I think so too."
"What one sees first is how far short real schooling falls from the ideal of 'young minds being awakened.' Teachers for the most part would be delighted to awaken young minds, but the system within which they must work fundamentally
frustrates that desire by insisting that all minds must be opened in the same order, using the same tools, and at the same pace, on a certain schedule. The teacher is charged with getting the class as a whole to a certain predetermined point in the curriculum by a certain predetermined time, and the individuals that make up the class soon learn how to help the teacher with this task. This is, in a sense, the first thing they must learn. Some learn in quickly and easily and others learn it slowly and painfully, but all eventually learn it."
[ . . .]
"How else do you help teachers with their task?" [Gorilla asking the girl, Julie]
"Never disagree. Never point out inconsistencies. Never ask questions that go beyond what's being taught. Never let on that you're lost. Always try to look like you're getting every word. It all comes to pretty much the same thing."
The rest is even better. It goes into the reason we drag schooling out for so long, related to economics and other issues.