Since ACPC is coming up and we have Teams participating in ACPC 2018 I used my api wrapper to build the table below:
Rating Sums
Spoiler
Codeforces Style
| Name | University | Country | Members | Codeforces Team Rating |
|---|---|---|---|---|
| Aurora | Princess Sumaya University For Technology | Jordan | Hiasat Motarack Dark | 2498.20620502827 |
| RadioaActive | SVU | Syria | RedNextCentury Pepe.Chess kingofnumbers | 2438.0314185839 |
| AKA AKA | FCIS Ain Shams University | Egypt | KhaledKEE TripleM5da Abdelrhman_Akram | 2415.27692693251 |
| One More Time | Cairo University — Faculty of Engineering | Egypt | OmarHashim Deathly_Hallows Momentum | 2391.60337777421 |
| kalamantina | Princess Sumaya University For Technology | Jordan | i_hate_cp Reem Kilani | 2234.36626643917 |
| IOI | - | Egypt | mohammedehab2002 Osama_Alkhodairy mahmoudbadawy | 2230.30623382918 |
| One For All | FCI- Cairo University | Egypt | compiler_101 eagle93 wewark | 2163.43894039428 |
| e^x | Damascus Universuty | Syria | Mohammad_Kartoumeh Moaz.e M.Al-Hussein.96 | 2162.51336312017 |
| Unexpected | American University of Beirut | Lebanon | Antoine remyels rayan.94 | 2158.75815986223 |
| Shalabi (unofficial) | Tishreen University | Syria | massoud8032000 repeating Hasan | 2086.86204119503 |
| Team Sky | Jordan University of Science and Technology | Jordan | Vendetta. Ownography customer101 | 2039.00938880022 |
| BuzzKill | FCI — Cairo University | Egypt | OsamaFathy omar22 alimagde | 2027.71199163576 |
| IOI (unofficial) | - | Jordan | Adhami Warawreh Mohammad_Alwarawreh | 1990.84568248118 |
That's pretty inaccurate. You're calculating the sum of the ratings, however CodeForces has a different formula for team rating.