What does 高校 (koukou | こうこう) mean in Japanese?

The Japanese word

私は高校を退学になった。
watashi wa kōkō o taigaku ni natta.
I was kicked out of high school.

彼女は高校時代内気でした。
kanojo wa kōkō jidai uchiki deshi ta.
She was shy in her high school days.

彼女は女子高校に通っている。
kanojo wa joshi kōkō ni kayotte iru.
She goes to a girls' high school.

父は高校で英語を教えています。
chichi wa kōkō de eigo o oshie te i masu.
My father teaches English at a high school.

彼女は高校時以来ずっと変わった。
kanojo wa kōkō ji irai zutto kawatta.
She has changed a lot since high school.

高校生の時は毎朝6時に起きていた。
kōkōsei no toki wa maiasa 6 ji ni oki te i ta.
Back in high school, I got up at 6 a.m. every morning.

彼女は自分の高校を誇りにしている。
kanojo wa jibun no kōkō o hokori ni shi te iru.
She takes pride in her high school.

高校時代、彼女は数学が得意でした。
kōkō jidai, kanojo wa sūgaku ga tokui deshi ta.
She was good at mathematics in high school.

彼女は女子高校の入学試験に合格した。
kanojo wa joshi kōkō no nyūgaku shiken ni gōkaku shi ta.
She passed the entrance examination to the girl's high school.

彼女は高校生でしたか。はいそうです。
kanojo wa kōkōsei deshi ta ka. hai sō desu.
"Was she a high school student?" "Yes, she was.".

彼女は高校時代、数学が得意でしたよ。
kanojo wa kōkō jidai, sūgaku ga tokui deshi ta yo.
She was good at mathematics in high school.

僕高卒だからそのぶん高校の問題とか出来る。
boku daka sotsu da kara sono bun kōkō no mondai toka dekiru.
I'm a high school graduate so I am that much able to answer high school problems and such.

僕は高校時代、ハーモニカ部に入っていました。
boku wa kōkō jidai, hā monika bu ni haitte i mashi ta.
I belonged to the harmonica club in my high school days.

彼の４人抜きの活躍でうちの高校のチームが優勝しました。
kare no yon nin nuki no katsuyaku de uchi no kōkō no chīmu ga yūshō shi mashi ta.
His beating four competitors in a row won our high school team the championship.

こちらは私の友達のレイチェルです。私たちは同じ高校に通っていました。
kochira wa watashi no tomodachi no reicheru desu. watashi tachi wa onaji kōkō ni kayotte i mashi ta.
This is my friend Rachel. We went to high school together.

教室でどうどうとタバコをすう高校生たちとそれを注意できない教師たちは罰を受けることになります。
kyōshitsu de dōdō to tabako o sū kōkōsei tachi to sore o chūi deki nai kyōshi tachi wa bachi o ukeru koto ni nari masu.
High school students who flagrantly smoke in class and the teachers who can't caution them will be punished.

高校時代からつきあっている彼氏はいるものの、つきあいが惰性になっていると感じ、不満をつのらせている。
kōkō jidai kara tsukiatte iru kareshi wa iru monono, tsukiai ga dasei ni natte iru to kanji, fuman o tsunora se te iru.
She has a boyfriend she's been going out with since high school but feels their relationship has become a matter of habit and is increasingly dissatisfied. | She has a boyfriend she's been going out with since high school, but she feels their relationship has stagnated, so she's become dissatisfied. | She has a boyfriend she's been going out with since high school, but she feels their relationship is in a rut, so she's become discontented.

高校時代について最も後悔することを人々に尋ねると大抵の人は決まってこう言う。時間を無駄にしすぎていた、と。
kōkō jidai nitsuite mottomo kōkai suru koto o hitobito ni tazuneru to taitei no hito wa kimatte kō iu. jikan o muda ni shi sugi te i ta, to.
When I ask people what they regret most about high school, they nearly all say the same thing: that they wasted so much time.

高校になってからは、クロスカントリースキー、ノルディック複合競技の大阪大会および近畿大会で幾度となく優勝。
kōkō ni natte kara wa, kurosukantorī sukī, norudikkufukugō kyōgi no ōsaka taikai oyobi kinki taikai de ikudo to naku yūshō.
In high school, I won the Osaka and Kinki championships in cross-country skiing and Nordic combined skiing on countless occasions.

	The Japanese word
	高校
	is pronounced
	koukou \| こうこう
	means
	senior high school

	Examples:
	私は高校を退学になった。 watashi wa kōkō o taigaku ni natta. I was kicked out of high school.
	彼女は高校時代内気でした。 kanojo wa kōkō jidai uchiki deshi ta. She was shy in her high school days.
	彼女は女子高校に通っている。 kanojo wa joshi kōkō ni kayotte iru. She goes to a girls' high school.
	父は高校で英語を教えています。 chichi wa kōkō de eigo o oshie te i masu. My father teaches English at a high school.
	彼女は高校時以来ずっと変わった。 kanojo wa kōkō ji irai zutto kawatta. She has changed a lot since high school.
	高校生の時は毎朝6時に起きていた。 kōkōsei no toki wa maiasa 6 ji ni oki te i ta. Back in high school, I got up at 6 a.m. every morning.
	彼女は自分の高校を誇りにしている。 kanojo wa jibun no kōkō o hokori ni shi te iru. She takes pride in her high school.
	高校時代、彼女は数学が得意でした。 kōkō jidai, kanojo wa sūgaku ga tokui deshi ta. She was good at mathematics in high school.
	彼女は女子高校の入学試験に合格した。 kanojo wa joshi kōkō no nyūgaku shiken ni gōkaku shi ta. She passed the entrance examination to the girl's high school.
	彼女は高校生でしたか。はいそうです。 kanojo wa kōkōsei deshi ta ka. hai sō desu. "Was she a high school student?" "Yes, she was.".
	彼女は高校時代、数学が得意でしたよ。 kanojo wa kōkō jidai, sūgaku ga tokui deshi ta yo. She was good at mathematics in high school.
	僕高卒だからそのぶん高校の問題とか出来る。 boku daka sotsu da kara sono bun kōkō no mondai toka dekiru. I'm a high school graduate so I am that much able to answer high school problems and such.
	僕は高校時代、ハーモニカ部に入っていました。 boku wa kōkō jidai, hā monika bu ni haitte i mashi ta. I belonged to the harmonica club in my high school days.
	彼の４人抜きの活躍でうちの高校のチームが優勝しました。 kare no yon nin nuki no katsuyaku de uchi no kōkō no chīmu ga yūshō shi mashi ta. His beating four competitors in a row won our high school team the championship.
	こちらは私の友達のレイチェルです。私たちは同じ高校に通っていました。 kochira wa watashi no tomodachi no reicheru desu. watashi tachi wa onaji kōkō ni kayotte i mashi ta. This is my friend Rachel. We went to high school together.
	教室でどうどうとタバコをすう高校生たちとそれを注意できない教師たちは罰を受けることになります。 kyōshitsu de dōdō to tabako o sū kōkōsei tachi to sore o chūi deki nai kyōshi tachi wa bachi o ukeru koto ni nari masu. High school students who flagrantly smoke in class and the teachers who can't caution them will be punished.
	高校時代からつきあっている彼氏はいるものの、つきあいが惰性になっていると感じ、不満をつのらせている。 kōkō jidai kara tsukiatte iru kareshi wa iru monono, tsukiai ga dasei ni natte iru to kanji, fuman o tsunora se te iru. She has a boyfriend she's been going out with since high school but feels their relationship has become a matter of habit and is increasingly dissatisfied. \| She has a boyfriend she's been going out with since high school, but she feels their relationship has stagnated, so she's become dissatisfied. \| She has a boyfriend she's been going out with since high school, but she feels their relationship is in a rut, so she's become discontented.
	高校時代について最も後悔することを人々に尋ねると大抵の人は決まってこう言う。時間を無駄にしすぎていた、と。 kōkō jidai nitsuite mottomo kōkai suru koto o hitobito ni tazuneru to taitei no hito wa kimatte kō iu. jikan o muda ni shi sugi te i ta, to. When I ask people what they regret most about high school, they nearly all say the same thing: that they wasted so much time.
	高校になってからは、クロスカントリースキー、ノルディック複合競技の大阪大会および近畿大会で幾度となく優勝。 kōkō ni natte kara wa, kurosukantorī sukī, norudikkufukugō kyōgi no ōsaka taikai oyobi kinki taikai de ikudo to naku yūshō. In high school, I won the Osaka and Kinki championships in cross-country skiing and Nordic combined skiing on countless occasions.

	Examples sourced from tatoeba.org