It entirely depends on the teacher and what school you go to (ex. Catholic, not so good, Alternative, equal(pretty much))
Yes. Some of the finest teachers in the world are gay.
Some English teachers are gay but most are not. Just like all teachers. Just like all people.
Sexual orientation has nothing to do with teaching ability. Some gay teachers are good, and some aren't.
You can't tell if a teacher is gay unless they decide to tell you. Most teachers would never tell their students, as parents and school boards are not yet ready for such openness. You can't tell if someone is gay by the way they talk, or walk, or dress.
There is no significance or correlation between gay people and teachers.
Nothing. Your teacher's sex life is none of your business. I know teachers and students sometimes get into sexual relationships, but it almost always ends badly.
Yes. There are gay people in all professions.
As of 2013, most US states allow private schools to discriminate against gay gay and lesbian students. However, there is no such thing as "acting gay". You either are gay or you or not.
There are gay characters on the show Degrassi, but it is about high school students...gay or not.
Yes, students are allowed to debate topics such as gay rights in school as part of their freedom of speech and expression. However, schools may have guidelines in place to ensure that such discussions are respectful and constructive. Teachers and administrators may also facilitate these debates to ensure that all students feel safe and heard.
Sexual orientation has no correlation with someone's profession, including teaching. People of all sexual orientations can be teachers. It's important to avoid generalizations or assumptions about individuals based on their profession.