Professor Murray's classes and grades

Flying is required for first-years only, optional for older students.
Compulsory subjects for the first five years:
Transfiguration, Defence Against the Dark Arts, Charms, Potions, Astronomy, History of Magic, and Herbology
At the end of their second year, students are required to add at least two optional subjects from the list to their syllabus for the start of the third year:
Arithmancy, Study of Ancient Runes, Divination, Care of Magical Creatures, Muggle Studies, Art/Muggle Art, Magical Theory, Muggle Music
Magical Home Economics is an elective and is taught to students fifth year and above
Sixth and seventh year students can also pick more elective subjects: Advanced Arithmancy Studies, Alchemy, Ancient Studies, Apparition, Ghoul Studies
Student
Taking during year(s)
Current grades
OWLs
Comment
3-5
Outstanding
O
Outstanding
O
3
Troll
T
3-5
Outstanding
O
Outstanding
O
4-5
Outstanding
O
Outstanding
O

It was not that hard to catch up to the curriculum within a year to make the exams. It's just math.

3-5
Outstanding
O
Outstanding
O

There are many uses for arithmancy, from communication to influencing magic as it appears in the world, and altering its shape and properties.

3-5
Exceeds Expectations
E
Exceeds Expectations
E

Atlas finds the application of numeric values to pictograms very entertaining. He started the subject to be able to send secret messages but has since grown fond of it for other purposes.