The one and only time I ever made my own clothing was in grade 8 home economics.

FORBES: The Future of Fashion: Download File and Print

Mathematica looked at mobility figures from grade 5 to grade 8 and also from grade 6 to grade 8.

FORBES: The Continuing Success of KIPP Schools

An international team of researchers carried out simultaneous cross-sectional studies for three student populations (roughly grade 4, grade 8, and students in final year of secondary school) and assessed nearly half a million students in 41 countries.

UNESCO: II Part Analytic Section

Fewer still in grade 8.

FORBES: Rediscover Your Creative

Between 2000 and 2005, primary school enrolment in India increased by 22.5 per cent overall, and by 31 per cent for girls alone but despite this leap some 25 per cent of children in 2005 left school before reaching Grade 5, and almost half before reaching Grade 8.

UNESCO: Education

Below-investment grade paper yields more than 8%, as do A-rated preferred stocks.

FORBES: Magazine Article

There is some evidence that parents of children at grade 6, 7 and 8 who are doing poorly on academic grades lose the financial support of parents and drop out of school.

UNESCO: Papua New Guinea: Report: Part III: Prospects

Deep gender disparities mean that fewer than 400 girls make it to the last grade of secondary school, while just 8% of women are literate.

UNESCO: EDUCATION

Corporate bonds rated BBB are yielding 8%, while their below-investment-grade BB brethren yield 9%.

FORBES: Magazine Article

Investment-grade corporate bonds, which carry only a sliver of default risk, now yield an average 1.8 percentage points more than Treasurys, up from 1.3 points in early 2000.

FORBES: Treasurys, The Endangered Species