The phrase 'academic workload' is correct and usable in written English.
You can use it to refer to the amount of work a student has to do in their studies. For example, "John is struggling with his academic workload and finds himself staying up late every night to finish his assignments."
Students carry a full academic workload and are guaranteed a job at the local dealership upon completing the program -- a strong incentive to finish school.
Her academic workload consists of advanced placement English, a creative writing class, advanced placement United States history, advanced placement biology and French 4 honors.
She then enrolled in U.C.L.A. and took a full schedule of courses in the summer, living in a dormitory, before scaling back her academic workload to one class and moving out of the dorm midway through the competitive season.
(Liz_Shepherd, commenter) "For academics to have more time to commit to public engagement relies on managers and heads of departments seeing it as an important part of an academic workload, rather than something the academic ends up doing in their own time".
"They all had to pass a specialized exam to get into their respective high schools, they all cope daily with an intense academic workload and they are all competing hard in athletics, whether it be cross-country or any other sport.
Findings showed that examinations, the level and intensity of academic workload, the theory practice gap and poor relationships with clinical staff were the leading stressors identified.
@martin_eve Her research interests include higher education issues, academic workloads and student performance.
Academic workloads are more rigorous in the fall and spring to keep the class work lighter in winter.
However, done well it can provide valuable insight into academic workloads and yield tangible benefits for academics, departments and institutions alike.
Re "48 Hours on the Big Red Bus" and "Ivy Back-to-Backs," Feb. 18: Besides their grueling travel schedule, Cornell athletes have one of the most, if not the most, challenging academic workloads in the Ivy League.
This was understood as being around students' personal, work, family, and vacation commitments, an interpretation that differed from university deadlines and policies regarding equity, completion timeframes, and academic workloads.
