To describe a dance class in Engpsh, you can say:

"I'm taking a dance class."

"I'm attending a dance class."

"I have a dance class today."

"I'm going to a dance class later."

"I'm learning dance at a class."

You can also describe the specific type of dance you are learning, such as:

"I'm taking a salsa dance class."

"I'm attending a ballet class."

"I have a hip hop dance class today."

"I'm going to a modern dance class later."

"I'm learning tango at a class."

It is also common to specify the location or venue where the dance class is held, such as:

"I'm taking a dance class at a studio."

"I'm attending a dance class at a gym."

"I have a dance class at a community center today."

"I'm going to a dance class at a school later."

"I'm learning dance at a class held at a cultural center."