The GLC follows the in-house curriculum as well as the Common European framework for languages:
http://www.europaeischer-referenzrahmen.de/
Exams offered by the GLC:
Deutsches Sprachdiplom (DSD) I: grades 8 - 10
Deutsches Sprachdiplom (DSD) II: grades 10 - 12
AATG*, National High School exams: Levels 2 - 4
*American Association of teachers of German
Information about the DSD can be found at:
http://www.auslandsschulwesen.de/cln_100/nn_2176922/Auslandsschulwesen/Auslandsschularbeit/DSD/node.html?__nnn=true (available in German only)
AATG National High School Exams: January 21, 2023
(AATG = American Association of Teachers of German)
DSD I (A2/B1), written exams: March 9, 2023
DSD I (A2/B1), oral exams: March 11, 2023
(DSD I = Deutsches Sprachdiplom Stufe 1/German Language Diploma Level 1)
DSD II (B2/C1), written exams: November 22, 2022
DSD II (B2/C1), oral exams: January 7, 2023
(DSD II = Deutsches Sprachdiplom Stufe 2/ German Language Diploma Level 2)
ZfA-Presentation contest: tba
(ZfA = Zentralstelle für das Auslandsschulwesen)