District pupil-to-teacher ratios, by school district boundaries, 2000–2013
| Year | Columbus, Ohio | Detroit | Washington, D.C. | Kansas City, Mo. | Philadelphia | Newark, N.J. |
|---|---|---|---|---|---|---|
| 2000 | 16.25 | 16.91 | 13.57 | 17.96 | 12.45 | |
| 2001 | 17.04 | 19.19 | 13.67 | 12.48 | 17.86 | |
| 2002 | 14.90 | 18.36 | 13.83 | 12.75 | 18.44 | 11.84 |
| 2003 | 14.96 | 13.49 | 11.98 | 19.53 | 11.51 | |
| 2004 | 16.44 | 13.29 | 12.14 | 18.62 | 11.61 | |
| 2005 | 16.53 | 17.60 | 13.21 | 13.31 | 18.91 | 10.73 |
| 2006 | 17.31 | 18.30 | 13.15 | 11.08 | 18.21 | 10.97 |
| 2007 | 17.90 | 16.46 | 13.23 | 17.62 | 12.97 | |
| 2008 | 18.66 | 16.48 | 12.67 | 15.80 | 14.24 | |
| 2009 | 16.80 | 15.87 | 12.48 | 11.49 | 15.59 | 14.41 |
| 2010 | 15.82 | 16.74 | 10.81 | 12.06 | 14.12 | 14.69 |
| 2011 | 15.92 | 15.95 | 11.77 | 13.80 | 14.91 | 13.57 |
| 2012 | 15.84 | 15.60 | 12.85 | 15.18 | 15.75 | 13.74 |
| 2013 | 17.04 | 15.25 | 13.33 | 15.45 | 16.18 | 10.54 |
Note: Years indicate the latter year of each school year, e.g., 2013 represents the school year from 2012 to 2013.
Source: National Center for Education Statistics' Public Elementary/Secondary School Universe Survey Data