The NYC DOE has digitized all the information for applying to High School. https://www.schools.nyc.gov/enrollment/enroll-grade-by-grade/high-school/nyc-high-school-admissions-guide 

Possible changes:
Due to COVID-19, the following details are likely to change for the 2021-2022 school year:

• Details regarding timeline, registration, and administration of the Specialized High Schools Admissions Test (SHSAT) and LaGuardia High School auditions.
• Timeline for the high school application, including the application deadline.
• Details and timeline for high school fairs and other events.
• Timeline for high school offers.

Families can find the most up-to-date Information about admissions and high schools online:

• The searchable online high school directory in MySchools is updated with school information for 2022 admissions.
• The 2022 NYC High School and Specialized High Schools Admissions Guide is available online, both digitally and as a PDF, at schools.nyc.gov/High.
• Information about admissions for the Specialized High Schools is at schools.nyc.gov/SHS.
• The new High School Admissions Video Series is now available, and more videos will be added soon: schools.nyc.gov/HSVideos

SHSAT administration