University of Chicago Laboratory Schools '28
How much better or worse boats do with this sailor crewing than their skipper's rating predicts, shown on the skipper scale so crews can be lined up across teams. Percentiles compare against rostered crews that season (league) or teammates (team).
How crew ratings work →Crew effect over their whole career, not scaled to a team: 25.55 percentile among ISSA crews with 30+ races. Uncertainty ±0.100 rating points from 85 races with rated skippers.
How crew ratings work →Includes linked high school and college seasons.
| Season | Team | Rating | Range | League percentile |
Team percentile |
On team | Races | Team page |
|---|---|---|---|---|---|---|---|---|
| Spring 2026 | Jones College Prep | 0.60 | 53.41 | 16.67 | 8 of 9 | 34 | Team page | |
| Spring 2025 | Jones College Prep | 1.00 | 62.36 | 10.00 | 5 of 5 | 27 | Team page | |
| Fall 2024 | Jones College Prep | 1.18 | 72.19 | 30.00 | 4 of 5 | 23 | Team page |
Each discipline has its own scale, built from the sailor's main rating and their results in that discipline. The numbers are not comparable with the main rating or with each other.
How these ratings work →| Discipline | Rating | Rank | Races | Last raced |
|---|---|---|---|---|
| Singlehanded | 1.51 | 120 of 369 | 20 | Fall 2026 |
| Regatta | Role | Div | Races | Avg | Rating |
|---|---|---|---|---|---|
| Spring 2024 Team page Season | |||||
| May Madness Regatta: C420 Division | Skipper | B | 12 | 12.5 | -0.43 |
| League | Name | School | Year |
|---|---|---|---|
| ISSA | Jack Eskilson |  Jones College Prep |
'28 |
| ISSA | Jack Eskilson |  Lincoln Park High School |
'28 |
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