On the other hand, even in single-sex schools the teaching staff usually are both men and women.
But there are no studies showing less risk-taking among students at single-sex schools.
However, there was also severe criticism of single-sex schools from some female science students.
New York City has nine single-sex public schools, most of which opened in the past four years.
As well, studies show that graduates from single-sex schools have greater success later on.
Children need choices, like those in families who can afford private, single-sex prep schools.
Six of them are single-sex schools, while the rest admit both girls and boys.
For many years, single-sex schools were not the exception but the rule.
In one survey, 71 percent of women who went to a single-sex school said they would do it again.
Nor did the Court question the value or viability of single-sex schools.
