[header] How to become a substitute teacher in new york city [title] Decide if you want to invest in the process. [step] It will take about two to four months, patience with the department of education bureaucracy (doe), and $416 for fees. [title] Visit the nyc doe website for basic information on subs : [step] . 
You must wait for a certain date early in the fall to begin, and if you wait too long you may not be able to get certification that year (the doe has a recruitment target for new subs). [title] Find a public school principal to nominate you for becoming a substitute.