help please about Banking

i have a presentation about banking and i'm looking for some information about the Accounts :
children's account : especially here in our banks .are these accounts like the normal accounts .

students account : do we have here in morocco student's accounts ? and some information about them .

cheques :

a cashier cheque ? it is a normal cheque but it is more secure thn the other types of cheques .so why ?

certified cheques ? what is the difference between them and normal cheques ? .

i hope someone that someone help me especially if he already worked in the bank or took a training .

Thanks in advanced .