| Full legal name | Rydal Penrhos School |
| Type of organisation | General Secondary School |
| Number of pupils | 468 |
| Address | Pwllycrochan Avenue |
| Postcode | LL29 7BT |
| City | Colwyn Bay |
| Region | Wales Conwy UKL1 |
| Country | United Kingdom |
| Organization`s website | www.rydal-penrhos.com |
| Full legal name | Collegium Josephinum Gymnasium |
| Type of organisation | General Secondary School |
| Number of pupils | 850 |
| Address | Kolnstrasse 413 |
| Postcode | 531 17 |
| City | Bonn |
| Region | Rheinland Nordhein-Westfalen |
| Country | Germany |
| Organization`s website | www.cojobo.net |
| Full legal name | Spojena katolicka skola Gymnazium sv. Cyrila a Metoda v Nitre |
| Type of organisation | General Secondary School |
| Number of pupils | 515 |
| Address | Farska 19 |
| Postcode | 949 01 |
| City | Nitra |
| Country | Slovakia |
| Organization`s website | www.gcm.sk |
