Faster result processing should not mean weaker controls. The best approach is to remove repeated work while making validation and approval rules more visible.
Define responsibility before score entry begins
Assign subjects, classes and permissions in advance so each staff member sees only the records they are responsible for.
Validate as data is entered
Range checks, missing-score warnings and grading rules should run during entry rather than waiting until the final report is generated.
Separate entry from approval
Where the school requires oversight, keep a clear distinction between who enters scores and who approves publication.
Generate reports from the same source
Broadsheets, student reports and management summaries should be produced from the approved records rather than recreated in separate spreadsheets.