If by school you mean primary or high school, no. I am unaware of any school that teaches about circumcision in its curriculum.
No, the penis is not shortened by circumcision.
No circumcision is not beneficial to health. on the contrary it is harmful.
No, penis size has nothing to do with circumcision.
Circumcision has nothing to do with infertility.
The circumcision scar is permanent and it can not be gotten rid of.
No, it is nothing to do with it. Circumcision is the removal of the foreskin from the penis.
When you develop SERIOUS conditions where circumcision is the Only option.
Surgery can extend, but the surgical procedure that does it is not called circumcision.
The Tagalog word for circumcision is "tuli."
A circumcision certificate -- a document given to the parents of a male Jewish child after his foreskin is snipped off during a circumcision ceremony
A Jew that does circumcision is called a Mohell