This Anglesey database consists of day schools which existed in 1847 included here within an alphabetical list of parishes It contains the names and types of day schools listed in the Reports of the Commissioners of Inquiry into the State of Education in Wales published in 1847, the infamous Blue Books.
These complete Reports can be viewed in detail on the National Library of Wales site where, in the Appendices, extensive data on individual schools is shown ; there is a separate table for Sunday Schools - and also separate parish based reports under Minutes of Evidence which are well worth investigating
The Anglesey section of the Tabular Report of Day Schools in the Appendices starts on page 166 and ends on page 174 (entries take up 4 pages).
If a parish isn't listed below then it has noDay School entries in the Reports
For further reading there is a bibliography of books/articles on education in Wales on Genuki Wales - including several online