Be aware that the certification information may change at any time.
NYSED Search Certification Requirements: http://eservices.nysed.gov/teach/certhelp/CertRequirementHelp.do
FAQs - School Library Services: http://www.p12.nysed.gov/technology/library/libfaq.html
Information below was borrowed from http://nycdoe.libguides.com/c.php?g=181274&p=3719654
THE BELOW CERTIFICATE INFORMATION WAS CHECKED AND REVISED ON JULY 17, 2017; for the most up-to-date information check http://eservices.nysed.gov/teach/certhelp/CertRequirementHelp.do . [Use the below box titles as the certificate types.]
UPDATES (Spring 2018)
Persons starting the degree program (at a New York university) no longer need to take the Graduate Record Exam if they have a previous Masters’ Degree. The time allowed for supplemental certification has been extended from three years to five. Internships are no longer required at both the high school and elementary level separately and may be completed in the same building. https://govt.westlaw.com/nycrr/Document/Ieca6da1bc22111dd97adcd755bda2840?viewType=FullText&originationContext=documenttoc&transitionType=CategoryPageItem&contextData=(sc.Default)
--John Brock, NYSED, Associate in School Library Services