Chemistry

2025 graded assessment distributions

2025 Grade Distributions

Percentage of students in each grade for every graded assessment.

WRITTEN EXAMINATIONMean 122.1Std Dev 46.7Median C+Max 240Assessed 10,873

Exam score to study score (approximate)

Grade	Exam score range	≈ Study score range
UG	0–23 / 240	10–13
E	24–31 / 240	14–15
E+	32–48 / 240	16–19
D	49–64 / 240	20–22
D+	65–84 / 240	23–25
C	85–105 / 240	26–28
C+	106–129 / 240	29–31
B	130–149 / 240	32–33
B+	150–167 / 240	34–36
A	168–186 / 240	37–39
A+	187–240 / 240	40–50

Study score ranges are estimated by matching each grade's share of the exam cohort to the 2025 study score distribution. The study score assumes you performed similarly in your coursework, so treat these as a guide only.

2025 Graded Assessment Score Ranges & Grade Distributions

COURSEWORK UNIT 3 (School-assessed Coursework)

Max Score: 80

Grade distribution for COURSEWORK UNIT 3
Grade	Score Range	% Cohort	Students
UG	0–7	0.1%	14
E	8–10	0.1%	13
E+	11–30	5.7%	628
D	31–36	7.7%	859
D+	37–42	10.7%	1,192
C	43–48	12.3%	1,364
C+	49–55	15.8%	1,752
B	56–61	14.1%	1,567
B+	62–67	13.4%	1,490
A	68–73	11.5%	1,278
A+	74–80	8.6%	951

COURSEWORK UNIT 4 (School-assessed Coursework)

Max Score: 120

Grade distribution for COURSEWORK UNIT 4
Grade	Score Range	% Cohort	Students
UG	0–11	0%	4
E	12–23	0.1%	10
E+	24–35	0.3%	28
D	36–48	2.3%	252
D+	49–58	6.9%	752
C	59–66	9.9%	1,081
C+	67–74	11.7%	1,273
B	75–84	15.9%	1,731
B+	85–95	19%	2,073
A	96–106	18.4%	2,009
A+	107–120	15.4%	1,683

WRITTEN EXAMINATION (Written Exam)

Max Score: 240

Grade distribution for WRITTEN EXAMINATION
Grade	Score Range	% Cohort	Students	Approx Study Score
UG	0–23	0.6%	68	10–13
E	24–31	1.1%	124	14–15
E+	32–48	4.4%	483	16–19
D	49–64	6.9%	750	20–22
D+	65–84	11.4%	1,239	23–25
C	85–105	13.4%	1,456	26–28
C+	106–129	15.8%	1,719	29–31
B	130–149	14.3%	1,560	32–33
B+	150–167	12.7%	1,376	34–36
A	168–186	10.6%	1,155	37–39
A+	187–240	8.7%	943	40–50