data/absence-thresholds.json

[
  {
    "measure": "persistent",
    "basisPoints": 1000,
    "validFrom": "2015-09-01",
    "validTo": null,
    "note": "10% or more of the pupil's own possible sessions, from the 2015/16 academic year (DfE pupil absence statistics methodology)"
  },
  {
    "measure": "severe",
    "basisPoints": 5000,
    "validFrom": "2018-09-01",
    "validTo": null,
    "note": "50% or more of the pupil's own possible sessions; first published for the 2018/19 academic year"
  }
]