What are the PK3 and PK4 cut-off ages?

For students submitting an application in My School DC, an applicant for PK3 must be 3 years old by Sept. 30. An applicant for PK4 must be 4 years old by Sept. 30. For all grades, age cut-offs vary by school. To view the cut-off ages, refer to the My School DC website here.  If a school is not participating in My School DC, please visit the school's website for more information.