Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the highest number of students for schools in Campbell with pupil to teacher ratios over 25?

### Inputs:
table_name: table, columns: ['School Name', 'City', 'Students', 'FTE Teachers', 'Pupil/Teacher Ratio']

### Response:
SELECT MAX Students FROM table WHERE City = campbell AND Pupil/Teacher Ratio > 25