The 2017-18 Under-18 Premier League is the fifth campaign of the top tier of the Under-18 Development League. A total of 24 teams are split regionally into north and south leagues.The format was changed completely this season. Instead of playing in the merit group stage format, teams face their regional opponents both home and away before the top two face each other to determine the national champion. No teams were added this season. As a result, 22 games were played in both the North and South Divisions. Chelsea U18s are the defending champions.
The Professional Development League is the sixth campaign of post-EPPP Under-23 football's second tier, designed for those academies with Category 2 status. A total of 21 teams are split regionally into north and south divisions, with each team facing opponents in their own region twice both home and away and opponents in the other region once for a total of 30 games each in the North Division, and 29 games in the South division.
At the end of the season, the teams finishing in the top two positions of both divisions will meet in the knockout stage to determine the overall league champion.
Burnley U18s[1] were officially granted Category 2 status in the summer of 2017 and became the league's 21st team. At the end of the season, Huddersfield Town U18s would leave as they would drop from category 2 to category 4 so they could restructure their academy.[2]
League 3 is run by the Football League under the auspices of the Football League Youth Alliance. 50 teams once again competed this season, however the makeup was different. Burnley U18s would be promoted to Category 2 Academy status before this season to join the U18 Professional Development League 2. Forest Green Rovers U18s would join this season as a category 4 academy in the South-East Division, before promoting to a Category 3 Academy the next season.