The number of students increased
- The number of students ___ increased this year
- The number of students has or have increased
- The number of students has increased
- The number of students have increased
- The number of students in school a increased significantly
- The number of students in a school increased from 800 to 860
- The number of students seeking admission has increased
- The number of students in a class is increased by 20
- The number of students at a local university increased
- The number of students at the college suddenly increased