INTERNATIONALLY:  
 The cost of education as a percent of GDP increases 1% for each 5% increase in the percent of females with a higher education. 
 
TIMSS scores decrease 3 points for each 1% increase in the percent of females with a higher education.  Table 231 and Table 201 
IAEP Math Scores of 9 year olds decrease 3 points for each 1% increase in the percent of females with a higher education  Table 231 and Table 231 
IAEP Math scores of 13 year olds decrease 2 points for each 1% increase in the percent of females with a higher education.  Table 231 and Table 232 
Savings as a percent of GDP decreases 1% for each 4 point decrease in TIMSS Scores.  Table 201 and "Bottom Line" in Asiaweek 
Savings as a percent of GDP decreases 2% for each 1% increase in the percent of females with a higher education.  Table 231 and "Bottom Line" in Asiaweek 
TIMSS Scores increase 4 points and IAEP Scores increase 1.3 points for each 1 student increase in the number of students per classroom.  Table 16a, Table 9a, and Table 201 and Table 232 
NATIONALLY  
 US GDP declined 164 million ounces of gold for each 1 point decline in SAT scores. 
 
 SAT Scores declined 5 points for each 1% increase in the percent of female high school graduates who enrolled in college. 
 
 SAT Scores declined 16 points for each 1% decrease in the percent of teachers who are males. 
  SAT Scores and Table 69, NCES Digest of Education Statistics, pg. 79 

 SAT Scores declined 3 points for each 1% increase in the percent of teachers with a masters degree. 
  SAT Scores and Table 69, NCES Digest of Education Statistics, pg. 79 

 SAT Scores declined 20 points for each 1 student decrease in the average number of students per classroom. 
  SAT Scores and Table 69, NCES Digest of Education Statistics, pg. 79 

 SAT Scores declined 2 points for each one student decrease in the number of students taught per day by secondary teachers. 
  SAT Scores and Table 69, NCES Digest of Education Statistics, pg. 79 

 The cost of education as a percent of GDP increased 1% for each 2 student decrease in the average number of students per classroom. 
  SAT Scores and Table 69, NCES Digest of Education Statistics, pg. 79 

 The cost of education as a percent of GDP increased 0.14% for each 1% decrease in the percent of teachers who are males. 
  Table 551 and NCES Digest of Education Statistics, pg. 79 

 In singlemother households, the mothers' moderate involvement in their children's educations decreases their likelihood of getting mostly A's by 32%. 
  PARENTAL INVOLVEMENT IN EDUCATION, U.S Department of Education, Office of Educational Research and Improvement, "Fathers' Involvement in Their Children's Schools", NCES 98091, Table B8 

 In singlemother households, the nonresident fathers' moderate involvement in their children's educations increases their likelihood of getting mostly A's by 39% 
  NCES Table 10 

 In singlefather households, the fathers' moderate involvement in their children's educations increases their likelihood of getting mostly A's by two fold 
  NCES Table B7 

 In twoparent families, fathers' "highly involved" in their children's educations increase their probability of getting "mostly A's" by 30%, while "there is no association between children getting mostly A's and the mothers' involvement ...", 
  NCES Pg. 10. 

 Decreasing public expenditures for education from 5.2% to a level equivalent to Japan (2%) would save $240 billion/year. 
 
 Increasing SAT Scores 98 points has the potential to increase GDP by 16.1 billion ounces of gold, or $4.9 trillion. 
 