Is it correct to say co-taught?

Yes, "co-taught" is a correct word and a common way to describe a teaching situation where two or more teachers share responsibility for a class or group of students.

Here are some examples of how "co-taught" can be used:

* "The students are co-taught by a general education teacher and a special education teacher."

* "The co-taught class focuses on differentiated instruction to meet the needs of all learners."

* "Co-teaching can be an effective way to provide more support to students with diverse learning needs."

It's important to note that "co-taught" is often used in the context of education, especially when referring to a specific teaching model.