Hi,
To jump back in the thread, if you are using addresses like below, a formula will pull in the number at the same address and you can then use this as your % trigger - assuming all families live at the same address!!
Excel 2007<TABLE style="BORDER-RIGHT: #a6aab6 1px solid; BORDER-TOP: #a6aab6 1px solid; BORDER-LEFT: #a6aab6 1px solid; BORDER-BOTTOM: #a6aab6 1px solid; BORDER-COLLAPSE: collapse; BACKGROUND-COLOR: #ffffff" cellPadding=2 rules=all><COLGROUP><COL style="BACKGROUND-COLOR: #e0e0f0" width=25><COL><COL><COL><COL><COL><COL><COL><COL><COL><COL><COL><COL><COL></COLGROUP><THEAD><TR style="COLOR: #161120; BACKGROUND-COLOR: #e0e0f0; TEXT-ALIGN: center"><TH></TH><TH>A</TH><TH>B</TH><TH>C</TH><TH>D</TH><TH>E</TH><TH>F</TH><TH>G</TH><TH>H</TH><TH>I</TH><TH>J</TH><TH>K</TH><TH>L</TH><TH>M</TH></TR></THEAD><TBODY><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">1</TD><TD style="FONT-WEIGHT: bold">Parents Last name</TD><TD style="FONT-WEIGHT: bold">Parent First Name</TD><TD style="FONT-WEIGHT: bold">Student last name</TD><TD style="FONT-WEIGHT: bold">Student first name</TD><TD style="FONT-WEIGHT: bold">Student ID</TD><TD style="FONT-WEIGHT: bold">School</TD><TD style="FONT-WEIGHT: bold">Grade</TD><TD style="FONT-WEIGHT: bold">Gross Tuition</TD><TD style="FONT-WEIGHT: bold">MCD %</TD><TD style="FONT-WEIGHT: bold">MCD $</TD><TD style="FONT-WEIGHT: bold">Net # 1 </TD><TD style="FONT-WEIGHT: bold">Address</TD><TD style="FONT-WEIGHT: bold">No Of Children</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">2</TD><TD>Adam</TD><TD>Jennifer</TD><TD>Adam</TD><TD>Brodie</TD><TD style="TEXT-ALIGN: right">211241</TD><TD>School # 200 Elementary School</TD><TD>First Grade</TD><TD>$ 5,837.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 5,837.00 </TD><TD>2 Front Street</TD><TD style="TEXT-ALIGN: center">4</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">3</TD><TD>Adam</TD><TD>Jennifer</TD><TD>Adam</TD><TD>Skye</TD><TD style="TEXT-ALIGN: right">133102</TD><TD>School # 200 High School</TD><TD>Eleventh Grade</TD><TD>$ 7,237.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 7,237.00 </TD><TD>2 Front Street</TD><TD style="TEXT-ALIGN: center">4</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">4</TD><TD>Adam</TD><TD>Jennifer</TD><TD>Adam</TD><TD>Brianne</TD><TD style="TEXT-ALIGN: right">163101</TD><TD>School # 200 Middle School</TD><TD>Eighth Grade</TD><TD>$ 6,334.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 6,334.00 </TD><TD>2 Front Street</TD><TD style="TEXT-ALIGN: center">4</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">5</TD><TD>Adam</TD><TD>Jennifer</TD><TD>Adam</TD><TD>Murrinn</TD><TD style="TEXT-ALIGN: right">183005</TD><TD>School # 200 Middle School</TD><TD>Fifth Grade</TD><TD>$ 5,837.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 5,837.00 </TD><TD>2 Front Street</TD><TD style="TEXT-ALIGN: center">4</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">6</TD><TD>Brown</TD><TD>Kim</TD><TD>Brown</TD><TD>Courtney</TD><TD style="TEXT-ALIGN: right">151533</TD><TD>School # 200 High School</TD><TD>Ninth Grade</TD><TD>$ 7,237.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 7,237.00 </TD><TD>45 Front Street</TD><TD style="TEXT-ALIGN: center">3</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">7</TD><TD>Brown</TD><TD>Kim</TD><TD>Brown</TD><TD>Jonathan</TD><TD style="TEXT-ALIGN: right">191002</TD><TD>School # 200 Middle School</TD><TD>Fifth Grade</TD><TD>$ 5,837.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 5,837.00 </TD><TD>45 Front Street</TD><TD style="TEXT-ALIGN: center">3</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">8</TD><TD>Brown</TD><TD>Lisa</TD><TD>Brown</TD><TD>Christina</TD><TD style="TEXT-ALIGN: right">211342</TD><TD>School # 200 Elementary School</TD><TD>Kindergarten-Half Day/TK</TD><TD>$ 3,205.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 3,205.00 </TD><TD>4 John St</TD><TD style="TEXT-ALIGN: center">2</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">9</TD><TD>Brown</TD><TD>Lisa</TD><TD>Brown</TD><TD>Ben</TD><TD style="TEXT-ALIGN: right">141534</TD><TD>School # 200 High School</TD><TD>Tenth Grade</TD><TD>$ 7,237.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 7,237.00 </TD><TD>4 John St</TD><TD style="TEXT-ALIGN: center">2</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">10</TD><TD>Brown</TD><TD>Lisa</TD><TD>Brown</TD><TD>Garrett</TD><TD style="TEXT-ALIGN: right">171032</TD><TD>School # 200 Middle School</TD><TD>Seventh Grade</TD><TD>$ 6,334.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 6,334.00 </TD><TD>3 Elm Gardens</TD><TD style="TEXT-ALIGN: center">1</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">11</TD><TD>Smith</TD><TD>Vickie</TD><TD>Jones</TD><TD>Aaron</TD><TD style="TEXT-ALIGN: right">153006</TD><TD>School # 200 High School</TD><TD>Ninth Grade</TD><TD>$ 7,237.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 7,237.00 </TD><TD>27 West End</TD><TD style="TEXT-ALIGN: center">3</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">12</TD><TD>Smith</TD><TD>Vickie</TD><TD>Jones</TD><TD>Eden</TD><TD style="TEXT-ALIGN: right">143017</TD><TD>School # 200 High School</TD><TD>Tenth Grade</TD><TD>$ 7,237.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 7,237.00 </TD><TD>45 Front Street</TD><TD style="TEXT-ALIGN: center">3</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">13</TD><TD>Smith</TD><TD>Vickie</TD><TD>Jones</TD><TD>Elisha</TD><TD style="TEXT-ALIGN: right">123008</TD><TD>School # 200 High School</TD><TD>Twelfth Grade</TD><TD>$ 7,237.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD>$ - </TD><TD>$ 7,237.00 </TD><TD>27 West End</TD><TD style="TEXT-ALIGN: center">3</TD></TR><TR><TD style="COLOR: #161120; TEXT-ALIGN: center">14</TD><TD>Smith</TD><TD>Vickie</TD><TD>Jones</TD><TD>Asia</TD><TD style="TEXT-ALIGN: right">183010</TD><TD>School # 200 Middle School</TD><TD>Fifth Grade</TD><TD>$ 5,837.00 </TD><TD style="TEXT-ALIGN: right"></TD><TD style="TEXT-ALIGN: right"></TD><TD style="TEXT-ALIGN: right"></TD><TD>27 West End</TD><TD style="TEXT-ALIGN: center">3</TD></TR></TBODY></TABLE>
Sheet1
<TABLE style="BORDER-RIGHT: black 2px solid; PADDING-RIGHT: 0.4em; BORDER-TOP: black 2px solid; PADDING-LEFT: 0.4em; PADDING-BOTTOM: 0.4em; BORDER-LEFT: black 2px solid; PADDING-TOP: 0.4em; BORDER-BOTTOM: black 2px solid; BORDER-COLLAPSE: collapse; BACKGROUND-COLOR: #ffffff" cellPadding=2 rules=all width="85%"><TBODY><TR><TD style="PADDING-RIGHT: 6px; PADDING-LEFT: 6px; PADDING-BOTTOM: 6px; PADDING-TOP: 6px">
Worksheet Formulas<TABLE style="BORDER-RIGHT: #a6aab6 1px solid; BORDER-TOP: #a6aab6 1px solid; BORDER-LEFT: #a6aab6 1px solid; BORDER-BOTTOM: #a6aab6 1px solid; BORDER-COLLAPSE: collapse; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: center" cellPadding=2 rules=all width="100%"><THEAD><TR style="COLOR: #161120; BACKGROUND-COLOR: #e0e0f0"><TH width=10>Cell</TH><TH style="PADDING-LEFT: 5px; TEXT-ALIGN: left">Formula</TH></TR></THEAD><TBODY><TR><TH style="COLOR: #161120; BACKGROUND-COLOR: #e0e0f0" width=10>M2</TH><TD style="TEXT-ALIGN: left">=SUMPRODUCT(
($L$2:$L$14=L2)*1)</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
Expand the formula to suit your range then copy down.
HTH
Ian