Investment takes many forms, not just formal education, but buying a house in a neighborhood with the best schools, paying for informal and extra-curricular tutoring, classes, cram-schools, camps, foreign travel, etc.

FORBES: Demographic Decline and Investment Intensity in Children -- Observations on China and Japan

The top Republican on the House education and labor committee, Rep. John Klein, R-Minnesota, expressed concern that tools to help students at struggling schools, such as tutoring, would move from required to optional.

CNN: Top issues: Education

There is evidence this is happening in several places--from helping small, rural or low-wealth schools where specialized courses would not otherwise be available to serving students who need special tutoring, or for whom attending the normal school day is not an option.

FORBES: Magazine Article