In 1954, on April 30 under the supervision of the school principal A. Pak school for primary school was established by the name of "Building Trust". 
Since 1958 to 1965 years school was a 7 - year educations school. The school's director was Masyuchenko Alexei Dmitrievich. 
It was under his leadership, since 1961 seven-year school "Build Trust" has been renamed to the overall average Gagarin school. 
Since 1965-1990 school years, Yuri Gagarin worked eight-year. 
Since 1965-1968, the post of director took Olga A. Ten. 

Since 1968-1969, the director of the Russian-language schools held Abdukarimov Gennady Abdukarimovich.

Ten Olga Andreevna	Abdukarimov Gennadiy Adbukarimovich	Gladilova Anastasiya Dmitrievna	Vorobiev Boris Ivanovich	Abdukarimova Valentina Ganievna

Since 1969-1970, the director of the school was Kizilova Valeria Dmitrievna. 
Since 1970-1972 year as Director passed ironing Anastasia Dmitrievna. 
Since 1972-1997, the school principal became Boris Vorobyov. Since 1991, the decision of the district deputies 8 - year school moved to a 10 - year education. 
Since 1997-2001 school year moves to the Russian-Kazakh training under the guidance of Valentina Abdukarimova Ganievna. 

Since 2001 to this day holds the position of Director Bakyt Nabatova Shamilevna. 
Under her leadership, the school №3 named after Yuri Gagarin has expanded its capabilities participates in regional, national and international competitions. 
The school is equipped with the latest technology has standard rooms, such as physics, chemistry, biology and others. 
The school moved to e-learning. Under the leadership of Bakyt Shamilevna school develops a set of discs. 
What to say about the popular dance ensemble "Saltanat".

Folk dance ensemble "Saltanat" has visited many cities has received numerous awards and words of thanks.