Attendance data
| Attendance | Authorised absence | Unauthorised absence | |
| 2010 to 2011 | 95.5% | 4.0% | 0.5% |
| 2011 to 2012 | 95.6% | 4.0% | 0.4% |
| 2012 to 2013 | 95.5% | 4.1% | 0.5% |
| 2013 to 2014 | 97.0% | 2.7% | 0.3% |
| 2014 to 2015 | 96.8% | 3.0% | 0.2% |
| 2015 to 2016 | 95.7% | 3.0% | 0.2% |
| 2016 to 2017 | 95.7% | 2.7% | 0.3% |
| 2017 to 2018 | 96.3% | 2.4% | 0.3% |