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CHEM · UC Santa BarbaraHistorical grades

CHEM 109A

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75 published recordsSummer 2010 — Spring 2026
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The grade picture.

All available history
2.49Average GPA weighted · out of 4.00
20.8%A-range grades A+, A, and A−
18.0%D / F grades D+, D, D−, and F
18,284Letter grades 75 published records

Grade distribution

All instructors · All quarters

Plus and minus grades are grouped together. 4 reported P/NP or S/U grades are excluded from GPA and percentages. Counts reflect grades before optional grading conversions in the original source.

Quarter by quarter

57 quarters
CHEM 109A historical grades by quarter
QuarterAverage GPAA rangeD / FLetter grades
Spring 20262.2822.8%26.5%136
Winter 20262.4320.8%20.3%390
Fall 20252.6728.5%16.2%667
Spring 20252.0218.6%32.1%140
Winter 20252.1615.7%28.5%389
Fall 20242.7429.3%13.5%645
Summer 20242.2116.7%22.2%18
Spring 20242.1922.8%28.1%114
Winter 20242.4613.9%13.9%445
Fall 20232.5623.4%18.4%670
Spring 20232.3319.4%25.8%62
Winter 20232.4511.5%13.2%288
Fall 20222.6424.4%15.1%697
Winter 20222.2815.0%23.3%240
Fall 20212.4914.3%14.5%750
Summer 20212.8223.6%10.9%55
Winter 20212.4610.5%11.5%191
Fall 20203.2645.7%3.2%855
Spring 20203.3652.2%4.4%113
Winter 20202.7923.2%7.9%302
Fall 20192.6528.9%17.2%804
Summer 20192.4318.2%18.2%44
Spring 20192.4320.8%21.7%106
Winter 20192.4317.3%20.0%375
Fall 20182.1613.6%26.6%713
Summer 20182.7126.5%12.2%49
Spring 20182.1311.3%23.9%71
Winter 20182.7126.6%9.5%327
Fall 20172.3119.0%24.0%725
Summer 20172.8237.1%5.7%35
Spring 20172.5831.0%19.0%100
Winter 20172.178.1%20.8%356
Fall 20162.4120.2%21.2%821
Summer 20162.2917.6%23.5%51
Spring 20162.309.2%16.5%109
Winter 20162.026.4%29.4%330
Fall 20152.2915.3%23.4%845
Summer 20152.3016.7%16.7%36
Spring 20152.3016.1%23.7%93
Winter 20152.6024.4%14.7%312
Fall 20142.4217.7%17.0%902
Summer 20142.4518.5%16.7%54
Spring 20142.088.8%27.5%91
Winter 20142.4215.9%17.2%308
Fall 20132.4615.4%14.3%804
Summer 20132.7829.8%10.5%57
Spring 20132.1216.1%32.1%56
Winter 20132.7928.0%8.4%286
Fall 20122.5019.4%17.7%718
Summer 20122.6126.9%21.2%52
Spring 20122.1811.8%24.7%85
Winter 20122.0110.6%34.1%246
Fall 20112.4220.2%21.5%629
Summer 20112.4320.8%20.8%53
Spring 20112.6622.9%4.3%70
Fall 20102.6325.6%16.8%351
Summer 20102.1715.1%30.2%53
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About the numbers

Historical grade data from the Daily Nexus, obtained from UCSB’s Registrar through public records requests. Available records extend through Spring 2026. Course history is not a list of current offerings. Dataset retrieved .

GPA and grade percentages use letter grades only, weighted by the number of grades. A range includes A+, A, and A−. Repeated enrollments count separately. Past grades don’t predict your result or a course’s workload. How to read grade distributions ↗

CHEM 109A UCSB Grade Distribution & Instructor History | Lagoon