Here is a resource site for a typical 1st grade reading curriculum:

http://www.primarygradesclasspage.com/first%20grade%20harcourt.htm

Note that even at the end of the school year, they are still reading beginning chapter books like Frog and Toad All Year and Poppleton. Do you know who his 1st grade teacher is going to be? Can you go knock on his/her door?