Layout Tables

Any accessible solution that avoids the requirement to use id and headers is a good one to consider from a standpoint of efficiency. The Enrollment Comparison presents an example of a complex table that could be broken down into two simple tables, thereby eliminating much work, not to mention the migraine its code may bring.

Enrollment - University of Wisconsin-Stevens Point
  2000 2001 2002
Freshman 2200 2150 2000
Sophomore 2000 2050 2010
Junior 1992 1987 2000
Senior 1875 1990 1900
Graduate 500 475 510
Total 8566 8652 8420
Here is another table cell
 
Enrollment - University of Wisconsin-Stevens Point
  2000 2001 2002
Freshman 2200 2150 2000
Sophomore 2000 2050 2010
Junior 1992 1987 2000
Senior 1875 1990 1900
Graduate 500 475 510
Total 8566 8652 8420