PowerSchool, our web-based Student Information System (SIS), offers many functions for parents. If you have not logged-in, we encourage you to do so as soon as possible.


Parent, Student, Faculty/Staff, or Alumni, stay connected with our community. Access school communications, news, calendars, and information that’s just for you. For more information, contact webmaster@tas.tw

Please provide your username and password to log in:

Username: Not you?

Forgot your login?

For Alumni - Please enter your email address. Instructions for retrieving your username and password will be emailed to you.

Create a new Password

Please enter your username and create a new password.

Graduation Requirement

Four years (eight semesters) of upper school attendance are required with 22 credits to be earned in grades 9 – 12. Credits are awarded on a semester basis. This is a minimum requirement; students seeking admission to a selective college or university must exceed this minimum requirement. The 22 credits to be earned are as follows.


4 credits

Grade 9: English 9 or Honors English 9
Grade 10: English 10 or Honors English 10
Grade 11 and 12: Full-year courses each year.
Note: Journalism, Writing Workshop & Seminar, Poetry Seminar & Workshop, and Expository Writing do NOT fulfill this requirement.
Political Science & Forensics 1 credit

Students may satisfy the requirement by taking Public Speaking, Rhetoric, & Debate, or AP Seminar – Capstone Year 1, or by taking Theater Arts, or Honors Theater. Note that students may NOT satisfy both the public speaking and the performing & visual arts requirements with the same course.

Students may also fulfill the requirement by actively participating in Model United Nations while enrolled in International Relations/IBSL Global Politics. Students wishing to pursue this option must actively participate in at least one MUN conference and attend the team practices required for that conference. Please see the MUN Coordinator, Ms. Sinclair, for details and permission.

History & Social Studies

3 credits

Grade 9:  History of Asia or AP World History
Grade 10: History of Europe or AP European History
Grade 11: United States History or AP United States History or IBHL History of the Americas 1

3 credits

4 credits of mathematics will be required beginning with the Class of 2022.

Computer Science and Robotics 0.5 credit All courses offered in the Computer Science and Robotics Department satisfy the graduation requirement.

3 credits

Grade 9:  Physics
Grade 10: Chemistry
Grade 11: Biology
Performing Arts or Visual Arts

1 credit

This requirement can be fulfilled by taking visual arts and/or performing arts courses that total 1 credit.
Note that students may NOT satisfy both the public speaking and the performing & visual arts requirements with the same course.
World Languages or Classics


3rd year proficiency

P.E. and Health

2 credits

Required for ninth and tenth grade students

The balance of the required credits will be made up of elective courses.