El Rancho Charter SchoolDivision B
Anaheim, California
Competing Since
1991
Tournaments
53
Best Placements
Invitational
9th (4x)
2022, 2025, 2026
Regional
3rd
1991
State
1st (5x)
1997, 2001, 2005, 2007, 2008
National
2nd
1999
Head-To-Head Comparison
School Results
| Date ▲ | Season ▲ | Tournament ▲ | Level ▲ | Team Name ▲ | Points ▲ | Rank ▲ |
|---|---|---|---|---|---|---|
| Apr 11, 2026 | 2026 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 387 | 15th/32 |
| Feb 14, 2026 | 2026 | Orange County Regional (Div. B) | Regional | El Rancho Charter School (Team 1) | 200 | 6th/38 |
| Feb 14, 2026 | 2026 | Orange County Regional (Div. B) | Regional | El Rancho Charter School (Team 2) | 553 | 21st/38 |
| Jan 24, 2026 | 2026 | UCR Highlander Invitational (Div. B) | Invitational | El Rancho Charter School Team 1 | 282 | 9th/50 |
| Jan 24, 2026 | 2026 | UCR Highlander Invitational (Div. B) | Invitational | El Rancho Charter School Team 2 | 714 | 28th/50 |
| Jan 17, 2026 | 2026 | USC Invitational (Div. B) | Invitational | El Rancho Charter School Team 1 | 636 | 17th/90 |
| Jan 17, 2026 | 2026 | USC Invitational (Div. B) | Invitational | El Rancho Charter School Team 2 | 1502 | 74th/90 |
| Apr 12, 2025 | 2025 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 299 | 11th/31 |
| Feb 22, 2025 | 2025 | Orange County Regional (Div. B) | Regional | El Rancho Charter School | 132 | 4th/28 |
| Feb 22, 2025 | 2025 | Orange County Regional (Div. B) | Regional | El Rancho Charter School 2 | 409 | 18th/28 |
| Feb 8, 2025 | 2025 | Troy Invitational (Div. B) | Invitational | El Rancho Charter School ERC | 322 | 9th/41 |
| Feb 8, 2025 | 2025 | Troy Invitational (Div. B) | Invitational | El Rancho Charter School ERC-delta | 651 | 33rd/41 |
| Jan 18, 2025 | 2025 | USC Invitational (Div. B) | Invitational | El Rancho Charter School Team 1 | 504 | 10th/85 |
| Jan 18, 2025 | 2025 | USC Invitational (Div. B) | Invitational | El Rancho Charter School Team 2 | 1091 | 48th/85 |
| Jan 11, 2025 | 2025 | Highlander Invitational (Div. B) | Invitational | El Rancho Charter School Team Alpha | 271 | 9th/36 |
| Jan 11, 2025 | 2025 | Highlander Invitational (Div. B) | Invitational | El Rancho Charter School Team Delta | 493 | 22nd/36 |
| Apr 6, 2024 | 2024 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 336 | 15th/32 |
| Feb 17, 2024 | 2024 | Orange County Regional (Div. B) | Regional | El Rancho Charter School A | 170 | 5th/27 |
| Feb 17, 2024 | 2024 | Orange County Regional (Div. B) | Regional | El Rancho Charter School B | 374 | 16th/27 |
| Feb 3, 2024 | 2024 | Sierra Vista Invitational (Div. B) | Invitational | El Rancho Charter School Green | 540 | 21st/54 |
| Feb 3, 2024 | 2024 | Sierra Vista Invitational (Div. B) | Invitational | El Rancho Charter School Silver | 837 | 39th/54 |
| Jan 6, 2024 | 2024 | Troy Invitational (Div. B) | Invitational | El Rancho Charter School ERC | 405 | 18th/31 |
| Jan 6, 2024 | 2024 | Troy Invitational (Div. B) | Invitational | El Rancho Charter School Silver | 527 | 25th/31 |
| Feb 25, 2023 | 2023 | Orange County Regional (Div. B) | Regional | El Rancho Charter School | 170 | 7th/19 |
| Feb 4, 2023 | 2023 | Sierra Vista Invitational (Div. B) | Invitational | El Rancho Charter School Green | 568 | 22nd/59 |
| Feb 4, 2023 | 2023 | Sierra Vista Invitational (Div. B) | Invitational | El Rancho Charter School Silver | 1045 | 48th/59 |
| Jan 14, 2023 | 2023 | BirdSO Invitational (Div. B) | Invitational | El Rancho Charter School A | 642 | 27th/66 |
| Jan 14, 2023 | 2023 | BirdSO Invitational (Div. B) | Invitational | El Rancho Charter School B | 1119 | 51st/66 |
| Apr 2, 2022 | 2022 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 381 | 16th/33 |
| Feb 26, 2022 | 2022 | Orange County Regional (Div. B) | Regional | El Rancho Charter School | 277 | 9th/42 |
| Feb 26, 2022 | 2022 | Orange County Regional (Div. B) | Regional | El Rancho Charter School Delta | 946 | 41st/42 |
| Feb 5, 2022 | 2022 | High Desert Invitational (Div. B) | Invitational | El Rancho Charter School Alpha | 402 | 9th/57 |
| Jan 22, 2022 | 2022 | STEMBoost Mini Invitational (Div. B) | Invitational | El Rancho Charter School | 606 | 24th/81 |
| Jan 22, 2022 | 2022 | STEMBoost Mini Invitational (Div. B) | Invitational | El Rancho Charter School Delta | 1722 | 70th/81 |
| Dec 4, 2021 | 2022 | Troy Invitational (Div. B) | Invitational | El Rancho Charter School Alpha | 489 | 17th/45 |
| Dec 4, 2021 | 2022 | Troy Invitational (Div. B) | Invitational | El Rancho Charter School Delta | 975 | 43rd/45 |
| Apr 3, 2021 | 2021 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 339 | 16th/30 |
| Feb 27, 2021 | 2021 | Orange County Regional (Div. B) | Regional | El Rancho Charter School | 175 | 6th/27 |
| Feb 27, 2021 | 2021 | Orange County Regional (Div. B) | Regional | El Rancho Charter School Delta | 534 | 26th/27 |
| Feb 13, 2021 | 2021 | Eagle Invitational (Div. B) | Invitational | El Rancho Charter School | 709 | 31st/102 |
| Feb 13, 2021 | 2021 | Eagle Invitational (Div. B) | Invitational | El Rancho Charter School B | 1409 | 90th/102 |
| Oct 10, 2020 | 2021 | BEARSO Invitational (Div. B) | Invitational | El Rancho Charter School Alpha | 1303 | 57th/98 |
| Oct 10, 2020 | 2021 | BEARSO Invitational (Div. B) | Invitational | El Rancho Charter School 1 | 1504 | 70th/98 |
| Feb 15, 2020 | 2020 | Orange County Regional (Div. B) | Regional | El Rancho Charter School | 178 | 9th/21 |
| Feb 1, 2020 | 2020 | Jeffrey Trail Invitational (Div. B) | Invitational | El Rancho Charter School Alpha | 681 | 26th/73 |
| Feb 1, 2020 | 2020 | Jeffrey Trail Invitational (Div. B) | Invitational | El Rancho Charter School Delta | 990 | 45th/73 |
| Dec 9, 2019 | 2020 | Ladera Vista Invitational (Div. B) | Invitational | El Rancho Charter School Alpha | 317 | 14th/30 |
| Dec 9, 2019 | 2020 | Ladera Vista Invitational (Div. B) | Invitational | El Rancho Charter School Delta | 384 | 22nd/30 |
| Apr 6, 2019 | 2019 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 340 | 14th/30 |
| Feb 9, 2019 | 2019 | Orange County Regional (Div. B) | Regional | El Rancho Charter School | 144 | 5th/20 |
| Jan 26, 2019 | 2019 | Kraemer Invitational (Div. B) | Invitational | El Rancho Charter School A | 447 | 14th/62 |
| Jan 26, 2019 | 2019 | Kraemer Invitational (Div. B) | Invitational | El Rancho Charter School B | 873 | 42nd/62 |
| Jan 19, 2019 | 2019 | Mesa Robles Invitational (Div. B) | Invitational | El Rancho Charter School Alpha | 370 | 12th/43 |
| Jan 19, 2019 | 2019 | Mesa Robles Invitational (Div. B) | Invitational | El Rancho Charter School Delta | 585 | 25th/43 |
| Dec 15, 2018 | 2019 | Ladera Vista Invitational (Div. B) | Invitational | El Rancho Charter School | 362 | 15th/34 |
| Apr 10, 2010 | 2010 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 208 | 6th/26 |
| Apr 18, 2009 | 2009 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 145 | 2nd/26 |
| May 30, 2008 | 2008 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 371 | 8th/60 |
| Apr 12, 2008 | 2008 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 95 | 1st/26 |
| May 16, 2007 | 2007 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 438 | 12th/60 |
| Apr 14, 2007 | 2007 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 252 | 1st/26 |
| Apr 1, 2006 | 2006 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 163 | 4th/26 |
| May 19, 2005 | 2005 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 325 | 3rd/60 |
| Apr 16, 2005 | 2005 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 223 | 1st/23 |
| May 22, 2004 | 2004 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 341 | 6th/54 |
| May 17, 2003 | 2003 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 304 | 3rd/54 |
| May 18, 2002 | 2002 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 504 | 14th/60 |
| May 18, 2001 | 2001 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 540 | 17th/54 |
| Jan 1, 2001 | 2001 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 94 | 1st/26 |
| May 18, 2000 | 2000 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 485 | 11th/54 |
| May 13, 1999 | 1999 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 661 | 2nd/54 |
| May 1, 1998 | 1998 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 604 | 3rd/54 |
| May 17, 1997 | 1997 | Science Olympiad National Tournament (Div. B) | National | El Rancho Charter School | 194 | 12th/52 |
| Apr 19, 1997 | 1997 | Southern California Science Olympiad State Tournament (Div. B) | State | El Rancho Charter School | 137 | 1st/26 |
| Mar 1, 1991 | 1991 | Orange County Regional (Div. B) | Regional | El Rancho Charter School | 86 | 3rd/10 |