How to write the short message of class notice of training institution?

Writing method of short message for class notification in training institutions.

1. Warm notice: the training institution starts today, and the training institution is located. If you have any questions, please call us in time and we will serve you wholeheartedly.

2. Dear, the new third-grade English class has begun, zero-based and new-concept English class. Training institutions to ensure teaching quality.

3. Training institutions have officially started classes. Please bring the registered students to school on time. If you have any questions, please contact the teacher.