Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
PIAA Football Teams, Conferences and Leagues
Table title:
School Classifications
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > District: Counties (Number of total participating schools in each district) </th><th colspan=1 rowspan=1 > A </th><th colspan=1 rowspan=1 > AA </th><th colspan=1 rowspan=1 > AAA </th><th colspan=1 rowspan=1 > AAAA </th><th colspan=1 rowspan=1 > AAAAA </th><th colspan=1 rowspan=1 > AAAAAA </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 1: Bucks, Chester, Delaware, and Montgomery (71 schools) </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 > 33 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 2: Lackawanna, Luzerne, Pike, Susquehanna, Wayne and Wyoming (36 schools) </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 3 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 3: Adams, Berks, Cumberland, Dauphin, Franklin, Juniata, Lancaster, Lebanon, Perry and York (93 schools) </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 > 28 </td><td colspan=1 rowspan=1 > 18 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 4: Bradford, Columbia, Lycoming, Montour, Northumberland, Snyder, Sullivan, Tioga and Union (33 schools) </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 5: Bedford, Fulton and Somerset (12 schools) </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 6: Blair, Cambria, Centre, Clearfield, Clinton, Huntingdon, Indiana and Mifflin (46 schools) </td><td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 3 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 7: Allegheny (excluding City of Pittsburgh), Armstrong, Beaver, Butler, Fayette, Greene, Lawrence, Washington and Westmoreland (121 schools) </td><td colspan=1 rowspan=1 > 24 </td><td colspan=1 rowspan=1 > 31 </td><td colspan=1 rowspan=1 > 17 </td><td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > 24 </td><td colspan=1 rowspan=1 > 9 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 8: Pittsburgh Public Schools (6 schools) </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 1 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 9: Cameron, Clarion, Elk, Jefferson, McKean and Potter (24 schools) </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 10: Crawford, Erie, Forest, Mercer, Venango and Warren (38 schools) </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 2 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 11: Carbon, Lehigh, Monroe, Northampton and Schuylkill (46 schools) </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 12 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > District 12: Philadelphia Catholic League and the Public League (41 schools) </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > 12 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > All Districts (567 schools) </td><td colspan=1 rowspan=1 > 91 </td><td colspan=1 rowspan=1 > 94 </td><td colspan=1 rowspan=1 > 94 </td><td colspan=1 rowspan=1 > 92 </td><td colspan=1 rowspan=1 > 102 </td><td colspan=1 rowspan=1 > 94 </td></tr>
</table>
Question:
What high school football teams competed in the PIAA?
Answer:
567 high school football teams competing in the Pennsylvania Interscholastic Athletic Association's (PIAA) 12 Districts.