После звонка я быстро вышел из класса и пошёл домой.

Because после requires the genitive case.

• звонок = nominative singular
• звонка = genitive singular

So:

• после урока = after the lesson
• после обеда = after lunch
• после звонка = after the bell

This is a very common pattern in Russian: certain prepositions always force a particular case, and после always takes the genitive.

It can mean either a ring / bell or a phone call, depending on context.

In this sentence, because we have из класса and домой, the natural meaning is the school bell:

• После звонка = After the bell

A native speaker would usually understand this as after the class bell rang.

Вышел is the past tense of выйти, which means to go out / come out / exit.

Here it fits perfectly with из класса:

• выйти из класса = to go out of the classroom

So the sentence says that the speaker left the classroom first.

Also, выйти is perfective, so it presents the action as completed: he went out.

Из means out of / from, and it takes the genitive case.

• класс = class / classroom
• из класса = out of the classroom

So:

• из дома = out of the house / from home
• из школы = from school
• из класса = out of the classroom

This is another important case pattern to memorize: из + genitive.

Because they describe two different movements:

• вышел из класса = went out of the classroom
• пошёл домой = went/started going home

The first verb focuses on leaving a place. The second verb focuses on setting off in a direction.

So the sequence is:

1. he exited the classroom
2. then he headed home

Using two verbs makes the movement sound natural and precise in Russian.

Because пошёл and шёл mean different things.

• пошёл = started to go / set off
• шёл = was going / walked

In this sentence, the idea is a sequence of completed actions:

• after the bell,
• I quickly left the classroom,
• and then I headed home.

So пошёл works better.

If you said шёл домой, it would describe the process of going home rather than the moment of departure.

Домой is a special adverb meaning homeward / to home / home.

So:

• идти домой = to go home
• ехать домой = to go home by transport
• вернуться домой = to return home

Compare:

• дом = house/home as a noun
• в дом = into the house
• домой = homeward, to one’s home

In this sentence, пошёл домой means went home.

Because Russian has no articles like a/an/the.

Russian speakers understand whether something is definite or indefinite from context.

So:

• из класса can mean out of the classroom
• домой means home

English needs articles, but Russian usually does not.

Because the speaker is grammatically masculine.

In the past tense, Russian verbs agree with gender:

• я вышел, пошёл = I went out, went home (male speaker)
• я вышла, пошла = I went out, went home (female speaker)

So this sentence was said by a man or boy.
If the speaker were female, it would be:

После звонка я быстро вышла из класса и пошла домой.

Because the same subject applies to both verbs.

In Russian, just like in English, you often do not repeat the subject when it stays the same:

• Я вышел из класса и пошёл домой.
• I left the classroom and went home.

Repeating я would usually sound unnecessary:

• Я вышел из класса и я пошёл домой — grammatically possible, but not natural here

So one я is enough.

Быстро means quickly, and here it most naturally modifies вышел:

• я быстро вышел из класса = I quickly left the classroom

In other words, the speaker left the classroom quickly.

Because of its position, быстро is most closely connected with вышел, not with пошёл домой.

Yes. Russian word order is flexible, although different orders can change emphasis.

This sentence is neutral and natural:

• После звонка я быстро вышел из класса и пошёл домой.

You could also say:

• Я быстро вышел из класса после звонка и пошёл домой.
• Быстро я вышел из класса после звонка и пошёл домой. — possible, but more marked
• После звонка я вышел из класса и быстро пошёл домой. — now quickly sounds more connected to going home

So word order in Russian is not random; it often changes focus and emphasis.

Because the sentence presents the actions as completed events in sequence.

• выйти → вышел = completed exit
• пойти → пошёл = set off / started going

This is a typical use of the perfective aspect in narration: one finished action after another.

If imperfective verbs were used, the meaning would change:

• выходил could suggest repeated action or focus on process
• шёл would describe the process of going, not the starting point

So perfective is the natural choice here.

Yes. И literally means and, but in a sequence of actions it often feels like and then in English.

So:

• вышел из класса и пошёл домой

means not just left the classroom and went home, but naturally implies:

• left the classroom and then went home

Russian often uses simple и where English may prefer and then.

Yes, you could, but the nuance is slightly different.

• пошёл домой = started heading home / went home
• ушёл домой = left (from where he was) and went home

Since the sentence already has вышел из класса, using пошёл домой is very natural: first he exited the classroom, then he headed home.

If you said ушёл домой, it would put more emphasis on the idea of departing from the place. Since вышел already expresses leaving, пошёл avoids repetition of that idea.

In this sentence, класс most naturally means classroom.

That is because of из класса:

• выйти из класса = to leave the classroom

In school contexts, класс can mean:

• a classroom
• a class/group of students
• sometimes even a lesson/class period, depending on context

But with из after вышел, the meaning classroom is the most natural one here.