It's that time of year again! We are excited to have your student interested in participating in
athletics for the 2025-2026 school year.
Due to Arbiter purchasing the rights to Rschool, we need to update our registration process for athletics. Below you will find information on how to register with the new program.
Each Registrant needs the following:
Please follow these steps:
• If you are having trouble creating your account, receiving the activation email, or logging in, you may contact support at registration@arbitersports.com or call at 800-311-4060.
• Select the Athletic Registration program from the Crystal Lake South High School Registration Site.
• Once you have completed your registration, you will receive an email notification
confirming we have received your registration.
If you need assistance with your online registration, please reach out to Arbiter Registration Support at 800-311-4060 or registration@arbitersports.com.
| Date | Time | Event | Opponent | Location | Score | Game Summary | W/L | |
|---|---|---|---|---|---|---|---|---|
| 409773 | 11/26/25 | 09:00 AM | Double Dual | Prairie Ridge High School Multiple Schools Opponent Schools Johnsburg High SchoolPrairie Ridge High School Richmond Burton |
Crystal Lake South High School | |||
| 409773 | Johnsburg High School Multiple Schools Opponent Schools Johnsburg High SchoolPrairie Ridge High School Richmond Burton |
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| 409773 | Richmond Burton Multiple Schools Opponent Schools Johnsburg High SchoolPrairie Ridge High School Richmond Burton |
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| 408808 | 11/29/25 | 08:30 AM | Invitational | Cary-Grove High School Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
Vernon Hills High School | |||
| 408808 | Grayslake North Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Woodstock North Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Evanston Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Niles North Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Glenbrook North Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Maine East Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Glenbrook South Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Harvard Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Hoffman Estates Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Chicago (Taft) Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Vernon Hills Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Johnsburg High School Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | St. Viator Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Harvest Christian Academy Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 408808 | Bartlett Multiple Schools Opponent Schools Vernon HillsBartlett Cary-Grove High School Chicago (Taft) Evanston Glenbrook North Glenbrook South Grayslake North Harvard Harvest Christian Academy Hoffman Estates Johnsburg High School Maine East Niles North St. Viator Woodstock North |
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| 371219 | 12/04/25 | 06:00 PM | Meet | Dundee Crown |
Crystal Lake South High School | |||
| 399375 | 12/05/25 | 05:00 PM | Invitational | Rockford East |
Rockford East High School | Game SummaryEvent Notes:
Invitational TR Info : Leaves : 2:00pm Dismissal : Return : Other Notes: weigh in 330pm |
||
| 399376 | 12/06/25 | 09:00 AM | Invitational | Rockford East |
Rockford East High School | Game SummaryEvent Notes:
Invitational TR Info : Leaves : 6:00am Dismissal : Return : Other Notes: weigh in 730am |
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| 371276 | 12/11/25 | 06:00 PM | Meet | McHenry |
McHenry High School - East Campus | |||
| 371247 | 12/12/25 | 06:00 PM | Meet | Central High School (Rescheduled from 12-05-2025) |
Central High School | Game SummaryEvent Status:
(Rescheduled from 12-05-2025) Event Notes: Meet TR Info : Leaves : 3:15pm Dismissal : Return : |
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| 411599 | 12/13/25 | 08:00 AM | Invitational | Richmond Burton |
Richmond Burton High School | |||
| 371353 | 12/18/25 | 06:00 PM | Meet | Prairie Ridge High School |
Crystal Lake South High School | |||
| 371384 | 12/19/25 | 06:00 PM | Meet |
Huntley H.S. |
Crystal Lake South High School | |||
| 411051 | 12/20/25 | 09:00 AM | Quad |
Grayslake North Multiple Schools Opponent Schools Mundelein (H.S.)Chicago (Curie) Intrinsic Charter-Downtown Campus Plano Zion (Z.-Benton) Grayslake North Wheaton Warrenville South St. Charles North |
Mundelein High School | |||
| 411051 | Mundelein (H.S.) Multiple Schools Opponent Schools Mundelein (H.S.)Chicago (Curie) Intrinsic Charter-Downtown Campus Plano Zion (Z.-Benton) Grayslake North Wheaton Warrenville South St. Charles North |
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| 411051 | Wheaton Warrenville South Multiple Schools Opponent Schools Mundelein (H.S.)Chicago (Curie) Intrinsic Charter-Downtown Campus Plano Zion (Z.-Benton) Grayslake North Wheaton Warrenville South St. Charles North |
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| 411051 | Zion (Z.-Benton) Multiple Schools Opponent Schools Mundelein (H.S.)Chicago (Curie) Intrinsic Charter-Downtown Campus Plano Zion (Z.-Benton) Grayslake North Wheaton Warrenville South St. Charles North |
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| 411051 | St. Charles North Multiple Schools Opponent Schools Mundelein (H.S.)Chicago (Curie) Intrinsic Charter-Downtown Campus Plano Zion (Z.-Benton) Grayslake North Wheaton Warrenville South St. Charles North |
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| 411051 | Plano Multiple Schools Opponent Schools Mundelein (H.S.)Chicago (Curie) Intrinsic Charter-Downtown Campus Plano Zion (Z.-Benton) Grayslake North Wheaton Warrenville South St. Charles North |
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| 411051 | Chicago (Curie) Multiple Schools Opponent Schools Mundelein (H.S.)Chicago (Curie) Intrinsic Charter-Downtown Campus Plano Zion (Z.-Benton) Grayslake North Wheaton Warrenville South St. Charles North |
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| 411051 | Intrinsic Charter-Downtown Campus Multiple Schools Opponent Schools Mundelein (H.S.)Chicago (Curie) Intrinsic Charter-Downtown Campus Plano Zion (Z.-Benton) Grayslake North Wheaton Warrenville South St. Charles North |
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| 417970 | 01/03/26 | 08:00 AM | Tournament | Grant |
Grant Community High School | |||
| 409774 | ||||||||
| 409774 | ||||||||
| 409774 | ||||||||
| 416812 | 01/06/26 | 06:00 PM | Meet |
Cary-Grove High School |
Cary-Grove High School | |||
| 371479 | 01/09/26 | 06:00 PM | Meet |
Crystal Lake Central High School (Date Changed from 01-29-2026) |
Crystal Lake Central High School | Game SummaryEvent Status:
(Date Changed from 01-29-2026) Event Notes: Meet TR Info : Leaves : 3:45pm Dismissal : Return : |
||
| 408932 | 01/10/26 | 09:00 AM | Quad | Grayslake Central Multiple Schools Opponent Schools WheelingGrayslake Central Lake Forest |
Wheeling High School | |||
| 408932 | Lake Forest Multiple Schools Opponent Schools WheelingGrayslake Central Lake Forest |
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| 408932 | Wheeling Multiple Schools Opponent Schools WheelingGrayslake Central Lake Forest |
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| 371441 | 01/15/26 | 06:00 PM | Meet |
Hampshire |
Crystal Lake South High School | |||
| 401683 | 01/17/26 | 09:00 AM | Tournament | Kaneland |
Kaneland High School | |||
| 371469 | 01/22/26 | 06:00 PM | Meet |
Jacobs |
Crystal Lake South High School | |||
| 412250 | 01/24/26 | 09:00 AM | Invitational | Oak Park & River Forest |
Oak Park-River Forest High School | |||
| 428283 | 01/31/26 | 08:00 AM | IHSA Regional | Harvard |
Harvard High School | |||
| 428284 | 02/13/26 | 04:00 PM | IHSA Sectional | Geneseo |
Geneseo High School | |||
| 428285 | 02/14/26 | 09:00 AM | IHSA Sectional | Geneseo |
Geneseo High School |
| Number | Name | Position | Grade |
|---|---|---|---|
| No Data Found. Please add a student. | |||