Complex sentence: Sergei attended school in the city Krasavino and decided to follow in the footsteps of his older brother Nicholas by graduating from engineering school in Veliky Ustyug in the Vologda Oblast.
Split into simpler sentences: Sergei attended school in the city Krasavino and decided to follow in the footsteps of his older brother Nicholas. Like him, he graduated from engineering school in Veliky Ustyug in the Vologda Oblast.