"Schools have used the separation of church and state as an excuse to not allow students to participate in certain types of religious activities, including reading their Bible at school, praying at graduation ceremonies, or holding Bible studies on school grounds," the letter said.
When you leave high school, whether at graduation or because of an illness, you might lose touch; you might begin to think that people were only your friends because they saw you five days a week.
"It was a very scary idea that you could get pregnant, and three of the best girls in my school were pregnant, at graduation, and it changed their lives.
The synthetic cohort approach used in this study compares data collected at different points in time, requiring assumptions about the length of time between matriculation and graduation or (in the case of high school graduation) age at graduation.
Second, the effects found in this study were themselves persistent; indeed, it was one of the first studies to find many effects the intellectual boost; age-grade effects; return on investment; school achievement at 14; high school graduation at 19; and employment, earnings, and crime reduction at 27 and 40.
Prayers can no longer be offered at high-school football games or at graduation; pupils may pray during breaks only if they do so quietly.
In 1991, as deputy solicitor-general, he co-wrote a brief urging the Supreme Court to allow schools to recite a prayer at graduation ceremonies, arguing that there was no coercion involved since attendance at such events is voluntary.
And 93percentt of the law school's students were employed at graduation last year compared with only 85percentt five years ago.
A key assumption of the study was that by 1999, that is, 5 years after the onset of democracy, admission policies would have changed at medical schools and graduation statistics would begin to reflect this change.
"I believe that each of us carries a mental knapsack, in which we store the memory of our parents, our first communion, the first day at school, graduation day, perhaps the death of those parents, the first girlfriend," he said.
