Number of pupils with Special Education Needs in Calderdale Secondary Schools (Academies and Local Authority Maintained Schools); the data source is the termly school census. Academy data is only available from October 2015 onwards. The dataset for Academies and Local Authority Maintained Schools is being publis...Number of pupils with Special Education Needs in Calderdale Secondary Schools (Academies and Local Authority Maintained Schools); the data source is the termly ...