Chemistry — Modular 2024, Unit 1
Each grade's cash-in boundary averaged across 3 sessions — the same unit marks, each session's own raw→UMS conversion.
Cash-in — the overall qualification (UMS)
June 2026
| 4XCH1International GCSE Chemistry Cash-in | UMS · 240 | 216 | 192 | 168 | 144 | 120 | 96 | 72 | 48 | 24 | 0 |
November 2025
| 4XCH1International GCSE Chemistry Cash-in | UMS · 240 | 216 | 192 | 168 | 144 | 120 | 96 | 72 | 48 | 24 | 0 |
June 2025
| 4XCH1International GCSE Chemistry Cash-in | UMS · 240 | 216 | 192 | 168 | 144 | 120 | 96 | 72 | 48 | 24 | 0 |
Unit boundaries (raw / UMS)
June 2026
| Unit | Scale | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | U |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4WCH1 Unit 1 | Raw · 90 | 70 | 61 | 52 | 47 | 43 | 39 | 31 | 23 | 16 | 0 |
| UMS · 120 | 108 | 96 | 84 | 72 | 60 | 48 | 36 | 24 | 12 | 0 | |
| 4WCH1 Unit 1R | Raw · 90 | 66 | 60 | 54 | 48 | 42 | 37 | 30 | 23 | 16 | 0 |
| UMS · 120 | 108 | 96 | 84 | 72 | 60 | 48 | 36 | 24 | 12 | 0 |
November 2025
| Unit | Scale | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | U |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4WCH1 Unit 1 | Raw · 90 | 67 | 56 | 45 | 39 | 34 | 29 | 23 | 17 | 12 | 0 |
| UMS · 120 | 108 | 96 | 84 | 72 | 60 | 48 | 36 | 24 | 12 | 0 |
June 2025
| Unit | Scale | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | U |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4WCH1 Unit 1 | Raw · 90 | 70 | 63 | 56 | 50 | 44 | 39 | 31 | 23 | 16 | 0 |
| UMS · 120 | 108 | 96 | 84 | 72 | 60 | 48 | 36 | 24 | 12 | 0 | |
| 4WCH1 Unit 1R | Raw · 90 | 70 | 63 | 56 | 50 | 44 | 39 | 30 | 22 | 14 | 0 |
| UMS · 120 | 108 | 96 | 84 | 72 | 60 | 48 | 36 | 24 | 12 | 0 |
Source: official Edexcel grade-boundary documents — every file sha256-recorded in the syllabai-resources GradeBoundaries lane. A boundary is the minimum mark for the grade.