1. Educational resources: Schools have relatively few dance educational resources and may lack professional dance teachers, while dance institutions usually have more dance teachers and more comprehensive educational resources.

2. Teaching methods: School dance education may lack customized teaching for individual students, while dance institutions may pay more attention to individual differences and provide more detailed teaching.

3. Dance types: Schools may have fewer kinds of dances, while dance institutions may provide more kinds of dances for students to choose from.

4. Time and frequency: The time and frequency of school dance courses are usually fixed, while dance institutions may provide more flexible learning time and frequency.

5. Fees: Dance courses in schools usually don't need extra fees, and dance institutions may need to pay extra tuition fees.

Generally speaking, school dance and dance institutions are different in educational resources, teaching methods, dance types, time and frequency, fees and so on. Parents can choose appropriate dance education methods according to their children's interests and needs.