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THE CURVE

Schools / University of California, Santa Barbara

CHEM 109A

Summer 2010 – Spring 2026 (57 terms) · 18,288 students · Source: University of California, Santa Barbara grade data, Fall 2009 to Summer 2026

The curve

Share of all students who received each grade, all terms combined.

20.8%

of students got an A

0.0% withdrew

0%10%20%30%40%20.8%A34.0%B27.1%C11.3%D6.7%F0.0%Withdrew

A rate by term

Share of students who got an A in each term the course ran.

0%20%40%60%Su2011SuSp2012Wi2013Fa2014SuSp2015Wi2016Fa2017SuSp2018Wi2019Fa202052.2%FaFaWi2023Wi2024Fa2025FaSp202622.6%

By term, newest first

ABCDFWOther
TermStudentsA rate / distributionGPASource

By instructor, highest A rate first

ABCDFWOther
Terms taught
READ DE ALANI711
31.4%
—
LITTLE R D286
28.0%
—
ZAKARIAN A S327
26.6%
—
ISLEY N A312
24.4%
—
LEWIS R B5,534
23.4%
—
RUSSAK J A215
23.3%
—
ANYIKA M1,671
22.3%
—
PETTUS T R132
21.2%
—
BRUICE P Y5,120
19.1%
—
AUE D H1,615
19.1%
—
WEAVER M G36
16.7%
—
GAINER M J1,970
14.3%
—
ZHANG LIMING359
7.8%
—

13 instructors. Select a name's terms to see each term separately.