| Group | Club/Team Name | Team ID | Head Coach |
| A1 | Milford United Soccer Club FORAN HS BOYS SUMMER 2021 |
SC0I-01CDB02-0043 | Mark Fitzgerald |
| A2 | Milford United Soccer Club LAW HS BOYS SUMMER 2021 |
SC0I-01HSB03-0045 | Mark Fitzgerald |
| A3 | Naugatuck Youth Soccer Naugatuck Summer 21 |
SC0A-01HSB03-0035 | Joe Almeida |
| A4 | New Haven Youth Soccer New Haven Boys Summer 2021 |
SC0P-01CDB02-0015 | Nelson Vera |
| A5 | Shelton Youth Soccer Organization Shelton-SHS_Boys-Black |
SC0J-01HSB02-0060 | Mark Tomcho |
| A6 | Shelton Youth Soccer Organization Shelton-SHS_Boys-Orange |
SC0J-01HSB02-0062 | Paul Diaz |
| A7 | Seymour Soccer Association Inc. SSA Summer 2021 High School |
SC0O-01HSB03-0035 | John Zwolinski |
| A8 | Oxford Soccer League SUM21 Oxford Boys |
SC0F-01HSB02-0017 | Connor Scully |