"performance in class" is a correct and usable phrase in written English.
You could use it in a sentence such as, "The teacher was impressed with the student's performance in class."
Their performance in class generally declined.
The project-based approach, some educators say, encourages active learning and produces better performance in class and on standardized tests.
Currently, teachers decide whether to promote students based on an array of criteria, including standardized test scores, grades and performance in class.
Yarnall is coming off a strong performance in Class AAA in 1999, when he went 13-4 with a 3.47 earned run average for Columbus.
A variety of small-scale studies have shown that enrollment in after-school programs, particularly through grade 3, helps boost attendance and reduce behavior problems during the school day, and even improves academic performance in class and on standardized tests.
We contrast competitive cultures, where students compare their performance with the best performance in class, and non-competitive cultures where the reference point is the average performance.
For the seven other activities, we analyzed clicker performance, in-class (activity) writings, and midterm and final exam data.
The object was to retain the character that had made the A4 so popular, yet upgrade the performance in class-leading ways.
Dancers are judged on their performance in classes that are held during the competition, on interviews and most of all on their onstage performance.
In a classroom setting, suits might translate to better performance in classes that require creative thinking -- think philosophy, literature, the arts.
This phenomenon, stereotype threat, has the potential to hamper engagement and performance in classes (Steele, 1997).
