Just less than 3 percent of students in the Class of 2017 dropped out of high school.
The average four-year graduation rate is 87.67 percent in Maryland.
Old Mill High promotion rates (%)
| 2013 | 2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|---|
| Grade 9 | >= 95 | >= 95 | >= 95 | >= 95 | 94.2 |
| Grade 10 | >= 95 | >= 95 | >= 95 | >= 95 | >= 95 |
| Grade 11 | >= 95 | >= 95 | >= 95 | >= 95 | >= 95 |
| Grade 12 | >= 95 | >= 95 | >= 95 | >= 95 | >= 95 |
Old Mill High graduation rates (%)
| 2013 | 2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|---|
| Three-year adjusted cohort | <= 5 | <= 5 | <= 5 | <= 5 | <= 5 |
| Four-year adjusted cohort | 86.99 | 93.06 | 94.62 | 93.3 | 93.36 |
| Five-year adjusted cohort | 89.17 | 93.08 | 94.82 | 94.18 | - |
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