Professor record CIS

Rex A . Mtcastle

Sinclair Community College

143 grades37 sections
Grades: 2021–2026
Flunk Score76/100
Strong
CIS 1107 · INTRO OPERATING SYSTEMSCIS 1107 · all instructors & syllabi

Grade record

CIS 1107 · 37 sections
Average GPA
2.93
INTRO OPERATING SYSTEMS
Across 143 grades in CIS 1107
73%
A or B
of 143 grades
32.7%
D, F or withdrew
of 162 enrolled
65.7%
A
94
7.0%
B
10
3.5%
C
5
2.1%
D
3
21.7%
F
31
11.7%
W
19
A–F are shares of 143 letter grades · W is a share of all 162 enrolled
Against everyone else who teaches CIS 1107
+7% vs. the CIS 1107 average (2.74 across 35 professors)

How the averages compare

Against other CIS classes, and against the university

  • 2.85CIS courses
  • 2.91School average
  • 2.93CIS 1107
Average GPA · Zoomed GPA scale
Lower averageHigher average
Every term against the 2.93 average 8 terms
Fall 2021Spring 2026
37 sections · 8 terms · Fall 2021 – Spring 2026
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