In 1856 Grujić attended the Serbian Military Academy in Belgrade, the Academy known at that time as the Artillery School had been established only 6 years before, was the first military educational institution in Serbia, it contained a military high school, offering secondary level education, and a school of national defence, which conducted officer training, the main military subjects at the Artillery School, and later at the Military Academy, were taught by Prussian instructorship education lasted until 1861.

Upon graduation, he was commissioned as second lieutenant of artillery and as top graduate entered the Kriegsakademie (also known as the Prussian War College) in Berlin to continue his military education and for the practical study of artillery; at the time the Academy was the highest military facility of the Kingdom of Prussia to educate, train, and develop general staff officers.

Grujić graduated in December 1864, wanting to get a higher theoretical artillery formation, Grujić left Prussia to serve in the Imperial Russian Army, he entered service with the 23rd Artillery Brigade in St Petersburg.

While serving with the 23rd Brigade, wishing to achieve a high-level specialisation, Grujić applied then was admitted at the Mikhailovsky Artillery Academy in 1865, the Academy prepared officers to become battery commanders, at the time Russian artillerists were the first in the world to develop methods of gunfire from closed fire position.

At the time Russia was going through reforms in the artillery under Minister of War General-Adjutant Dmitrii Miliutin, one of the chief tasks set for the Main Artillery Administration was to organise the production of all kinds of artillery armament, ammunition, artillery instruments and other things for artillery provision.
General Adjutant Aleksandr Barantsov, first Chief of the Main Artillery Administration, was responsible for the technical improvement of the artillery materiel, arrangement of artillery education and all measures in the artillery organisation.
This would be a very valuable experience for Grujić when, a few years later, he would start reforming the Serbian Army.

Grujić spent the last two years of his training in Russia at St. Petersburg's arsenal.

Grujić returned to Serbia in 1870 after graduation, he was promoted to captain and appointed first Director of the state arsenal in Kragujevac as an expert in artillery and armaments and then later chief of artillery control.
Kragujevac was Serbia's main centre for arms production and modernisation of armaments, the Kragujevac arms factory was the largest industrial establishment in the principality.
In 1856 Grujić attended the Serbian Military Academy in Belgrade, the Academy known at that time as the Artillery School had been established only 6 years before, was the first military educational institution in Serbia, it contained a military high school, offering secondary level education, and a school of national defence, which conducted officer training, the main military subjects at the Artillery School, and later at the Military Academy, were taught by Prussian instructorship education lasted until 1861.
Upon graduation, he was commissioned as second lieutenant of artillery and as top graduate entered the Kriegsakademie (also known as the Prussian War College) in Berlin to continue his military education and for the practical study of artillery; at the time the Academy was the highest military facility of the Kingdom of Prussia to educate, train, and develop general staff officers.
Grujić graduated in December 1864, wanting to get a higher theoretical artillery formation, Grujić left Prussia to serve in the Imperial Russian Army, he entered service with the 23rd Artillery Brigade in St Petersburg.
While serving with the 23rd Brigade, wishing to achieve a high-level specialisation, Grujić applied then was admitted at the Mikhailovsky Artillery Academy in 1865, the Academy prepared officers to become battery commanders, at the time Russian artillerists were the first in the world to develop methods of gunfire from closed fire position.
At the time Russia was going through reforms in the artillery under Minister of War General-Adjutant Dmitrii Miliutin, one of the chief tasks set for the Main Artillery Administration was to organise the production of all kinds of artillery armament, ammunition, artillery instruments and other things for artillery provision. General Adjutant Aleksandr Barantsov, first Chief of the Main Artillery Administration, was responsible for the technical improvement of the artillery materiel, arrangement of artillery education and all measures in the artillery organisation. This would be a very valuable experience for Grujić when, a few years later, he would start reforming the Serbian Army.
Grujić spent the last two years of his training in Russia at St. Petersburg's arsenal.
Grujić returned to Serbia in 1870 after graduation, he was promoted to captain and appointed first Director of the state arsenal in Kragujevac as an expert in artillery and armaments and then later chief of artillery control. Kragujevac was Serbia's main centre for arms production and modernisation of armaments, the Kragujevac arms factory was the largest industrial establishment in the principality.
Sava Grujić