Grade boundaries
Edexcel International AS and A level Chemistry XCH11/YCH11 grade boundaries October 2021
The least raw mark that reached each grade in October 2021, as Edexcel printed it, for the whole subject and each paper.
From Edexcel’s grade boundaries for October 2021: the board’s document.
| Grade | WCH11out of 80 | WCH12out of 80 | WCH13out of 50 | WCH14out of 90 | WCH15out of 90 | WCH16out of 50 |
|---|---|---|---|---|---|---|
| A* | – | – | – | 71 | 60 | 41 |
| A | 51 | 45 | 27 | 59 | 48 | 34 |
| B | 43 | 38 | 23 | 49 | 40 | 28 |
| C | 36 | 31 | 19 | 39 | 32 | 22 |
| D | 29 | 25 | 15 | 29 | 24 | 17 |
| E | 22 | 19 | 12 | 19 | 16 | 12 |
Marks for each grade
Paper WCH11
- 51 out of 80 on Edexcel XCH11/YCH11 paper WCH11 was a grade A in October 2021.
- 43 out of 80 on Edexcel XCH11/YCH11 paper WCH11 was a grade B in October 2021.
- 36 out of 80 on Edexcel XCH11/YCH11 paper WCH11 was a grade C in October 2021.
- 29 out of 80 on Edexcel XCH11/YCH11 paper WCH11 was a grade D in October 2021.
- 22 out of 80 on Edexcel XCH11/YCH11 paper WCH11 was a grade E in October 2021.
Paper WCH12
- 45 out of 80 on Edexcel XCH11/YCH11 paper WCH12 was a grade A in October 2021.
- 38 out of 80 on Edexcel XCH11/YCH11 paper WCH12 was a grade B in October 2021.
- 31 out of 80 on Edexcel XCH11/YCH11 paper WCH12 was a grade C in October 2021.
- 25 out of 80 on Edexcel XCH11/YCH11 paper WCH12 was a grade D in October 2021.
- 19 out of 80 on Edexcel XCH11/YCH11 paper WCH12 was a grade E in October 2021.
Paper WCH13
- 27 out of 50 on Edexcel XCH11/YCH11 paper WCH13 was a grade A in October 2021.
- 23 out of 50 on Edexcel XCH11/YCH11 paper WCH13 was a grade B in October 2021.
- 19 out of 50 on Edexcel XCH11/YCH11 paper WCH13 was a grade C in October 2021.
- 15 out of 50 on Edexcel XCH11/YCH11 paper WCH13 was a grade D in October 2021.
- 12 out of 50 on Edexcel XCH11/YCH11 paper WCH13 was a grade E in October 2021.
Paper WCH14
- 71 out of 90 on Edexcel XCH11/YCH11 paper WCH14 was a grade A* in October 2021.
- 59 out of 90 on Edexcel XCH11/YCH11 paper WCH14 was a grade A in October 2021.
- 49 out of 90 on Edexcel XCH11/YCH11 paper WCH14 was a grade B in October 2021.
- 39 out of 90 on Edexcel XCH11/YCH11 paper WCH14 was a grade C in October 2021.
- 29 out of 90 on Edexcel XCH11/YCH11 paper WCH14 was a grade D in October 2021.
- 19 out of 90 on Edexcel XCH11/YCH11 paper WCH14 was a grade E in October 2021.
Paper WCH15
- 60 out of 90 on Edexcel XCH11/YCH11 paper WCH15 was a grade A* in October 2021.
- 48 out of 90 on Edexcel XCH11/YCH11 paper WCH15 was a grade A in October 2021.
- 40 out of 90 on Edexcel XCH11/YCH11 paper WCH15 was a grade B in October 2021.
- 32 out of 90 on Edexcel XCH11/YCH11 paper WCH15 was a grade C in October 2021.
- 24 out of 90 on Edexcel XCH11/YCH11 paper WCH15 was a grade D in October 2021.
- 16 out of 90 on Edexcel XCH11/YCH11 paper WCH15 was a grade E in October 2021.
Paper WCH16
- 41 out of 50 on Edexcel XCH11/YCH11 paper WCH16 was a grade A* in October 2021.
- 34 out of 50 on Edexcel XCH11/YCH11 paper WCH16 was a grade A in October 2021.
- 28 out of 50 on Edexcel XCH11/YCH11 paper WCH16 was a grade B in October 2021.
- 22 out of 50 on Edexcel XCH11/YCH11 paper WCH16 was a grade C in October 2021.
- 17 out of 50 on Edexcel XCH11/YCH11 paper WCH16 was a grade D in October 2021.
- 12 out of 50 on Edexcel XCH11/YCH11 paper WCH16 was a grade E in October 2021.