How common is gender identity disorder in high schoolers?

True GID is rare: Gender identity disorder is fairly uncommon. Some studies suggest fewer than 1 in 100, 000. However, high school being a time of identity expression may lead to greater outward expression of the disorder that has likely been present since childhood. However, cross gendered dressing and behaviors are not necessarily a reflection of gid. Attraction to the same sex and bending gender rules isn't gid.

We Don't Know: As the american psychiatric association's, iv-tr ed. States "there are no recent epidemiological studies 2 provide data on prevalence of gender identity disorder." it goes on 2 mention numbers of cross-gender identified individuals who sought gender-"reassignment" surgery in europe decades ago when discrimination against these individuals was extreme. These numbers have long been used as...