The phrase "an assistant instructor" is correct and usable in written English.
It can be used to refer to someone who assists a primary instructor in teaching or educational settings.
Example: "She works as an assistant instructor at the local community college, helping students with their coursework."
Alternatives: "a teaching assistant" or "an instructional aide."
He has just begun work as an assistant instructor in Amharic, the official language of Ethiopia.
He is also an assistant instructor at the City College School of Architecture.
The year before that, Dr. Said became an assistant instructor in the English department at Columbia, becoming full professor in 1970.
A few months later, they met again when Ms. Talmadge attended a debate camp at Dartmouth, where Mr. Lehotsky was an assistant instructor.
Encouraged by his mentor, Jones, Errie Ball moved to the US in 1930 to work as an assistant instructor to his uncle Frank at the East Lake Club in Atlanta, Georgia, later graduating to chief pro at Mobile Country Club in Alabama on the recommendation of Jones, experiencing in both clubs the racial segregation of the American South.
Ms. Asoma, an assistant instructor of painting and drawing at Rutgers University, paints her own environment, and things that are important to her. "Garage" (2006), an alluring diptych, depicts the interior of her garage at her home in Chappaqua, packed with objects and mementos, including lamps, furniture, paintings and suitcases.
She is also an adjunct clinical assistant instructor of speech language pathology there and is the consulting speech-language pathologist at the Mary Manning Walsh Home, a nursing home in New York.
His father practices internal medicine in New York and is an assistant clinical instructor at the New York University School of Medicine.
The son of a computer expert, he worked his way through community college as an assistant computer instructor.
The bridegroom, 30, is an assistant clinical instructor in orthopedic surgery at the State University at Stony Brook, N.Y.
In a funny, if unlikely, episode the narrator gets him a job as an assistant French instructor at Harvard, even though Kalaj's own grasp of French grammar is a little shaky.
