Classes for the 2018–2019 Academic Year began on the morning of Monday, September 3, and TASIS opened the year with 705 students. Below are a few notes about this year’s student body.

• The Elementary School (grades Pre-Kindergarten through five) opened with 190 students, the Middle School (grades six through eight) opened with 125 students, and the High School (grades nine through postgraduate) opened with 390 students.
• 181 students are new to TASIS.
• 524 students are returning to the School, marking a strong retention rate of 86 percent.
• The Class of 2018 (106 seniors) is slightly larger than last year’s graduating class of 103.
• The 20 Middle School boarding students are all new to TASIS, as last year’s group consisted solely of students in grade eight.
• 60 percent of High School students are boarders while 40 percent are day students.
• 57 nationalities are represented in the student body (see list below).
• 35 different languages are spoken as a mother tongue (see list below).
• The ten nations most represented in the TASIS student body are, in alphabetical order, Brazil, China, Germany, Italy, Russia, Spain, Switzerland, Turkey, the United Kingdom, and the United States.
• New nations added to the student body this year include Argentina, Czech Republic, Moldova, and Pakistan.

Nations represented in the 2018–2019 TASIS student body:

Languages spoken as a mother tongue in the 2018–2019 TASIS student body: