What is the latest date that I can take the GRE and/or TOEFL/IELTS without risking the score not meeting the deadline?

Applicants are strongly encouraged to register early for the GRE and TOEFL/IELTS as incomplete applications can cause a delay in giving full consideration to your application. The web sites of these testing organizations show test dates and approximate score report mailing dates. The applicant should plan to have the results of their tests available no later than the application deadline.