"missed class" is a correct and usable phrase in written English.
For example, you can use it to indicate that you did not attend class: "I missed class yesterday due to sickness".
Missed class time: The missed class time refers to the amount of time that a class is present but not labeled by the segmentation system in segments where the number of system classes is lower than the number of reference classes.
He never missed class, practice, a team function.
Ms. Passarella herself, it said, erased the record of absences of some students who missed class.
Parsetick didn't mind that Tavi missed class to attend fashion shows, "because she's really good.
A record 35% admitted that they had overslept and missed class, compared with only 19% in 1968.
Practicing for hours a day, lifting weights, study hall, classes, missed classes because of games, making up assignments because of those missed classes.
Though many of their students were involved, far fewer missed classes, administrators said.
There are penalty points for missed classes and practices.
Across the UK, millions of pupils missed classes as about 18,342 schools - 67.5% - were closed.
More than 90% of pupils across Wales missed classes as part of the public service disruption.
