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Only if you started at index 0.

Also, if you got rid of that ; after the for loop, then it might work better.

for(int i = 0; i < noStudents - 1; i++);
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Well, with your < noStudents-1, you're skipping the last student.

Also, scoreLow is pretty high, being in the thousands.

Also, you might want to try input.nextLine() for the student name.
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