| Rank | Name | Members | Recent average credit | Total credit | Country | Type |
|---|---|---|---|---|---|---|
| 1 | Providence Christian School | 1 | 1,711 | 1,401,271 | United States | Secondary school |
| 2 | Zurera | 2 | 1,163 | 2,414,848 | Spain | Secondary school |
| 3 | Sheldon's Calculator | 3 | 319 | 26,935 | France | Secondary school |
| 4 | LHC@Syros Cyclades Greece | 3 | 101 | 260,554 | Greece | Secondary school |
| 5 | The Doon School | 5 | 34 | 283,812 | India | Secondary school |
| 6 | HTL-Salzburg | 2 | 22 | 11,743 | Austria | Secondary school |
| 7 | Wausau West High School Astronomy Club | 4 | 3 | 30,199 | United States | Secondary school |
| 8 | TOF2 Sandvika vgs | 1 | 2 | 3,446 | Norway | Secondary school |
| 9 | calisto | 3 | 1 | 432 | Spain | Secondary school |
| 10 | BRG Hallein | 0 | 0 | 2,206 | Austria | Secondary school |
| 11 | Little Miami Panthers | 1 | 0 | 952 | United States | Secondary school |
| 12 | astrofysica.net LHC@home team | 1 | 0 | 157 | Belgium | Secondary school |
| 13 | Ysgol Bro Gwaun | 1 | 0 | 1,642 | United Kingdom | Secondary school |
| 14 | Holton-Arms Science | 1 | 0 | 13,627 | United States | Secondary school |
| 15 | BoincNDS | 5 | 0 | 480,195 | China | Secondary school |
| 16 | VAMS | 1 | 0 | 139 | United States | Secondary school |
| 17 | Corvallis High School Spartans | 2 | 0 | 12,376 | United States | Secondary school |
| 18 | Vechtstede College | 0 | 0 | 4,046 | Netherlands | Secondary school |
| 19 | Northern Secondary School | 1 | 0 | 172 | Canada | Secondary school |
| 20 | BHSF Team LHC | 12 | 0 | 196 | China | Secondary school |
©2019 CERN