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โ€œ The Military School can be assigned to produce one type of unit continuously at no cost, however they are produced at a slower rate. โ€
Age of Empires IV description

The Military School is a unique military building available to the Ottomans in Age of Empires IV that can be built starting in the Dark Age. It automatically trains a chosen unit from a selection available to the civilization, but at 4.75x the training time.

Trainable units[]

After researching Timariots:

After researching Advanced Academy:

The last two units effectively have a base train time of 170 and 114 seconds respectively due to the production speed increase from Advanced Academy.

These times can be decreased by building the Military School within the influence of a Blacksmith or University, selecting the Advanced Academy Imperial Council bonus, and building the Istanbul Observatory landmark.

Strategy[]

Because Military Schools spawn units for free, it can be viewed as if they are generating free resources which are then put into units. Thus, deciding when to build Military Schools is similar to deciding when to invest in economic upgrades or buildings - doing so as early as possible will maximize their economic benefit at the cost of slowing down an Age-up or military production. For example, against some civilizations and strategies, the Ottomans can afford to collect 50 stone and build a Military School immediately in the Dark Age, and then collect stone while Aging up to the Feudal Age to build another one as soon as possible. However, against a civilization like the English, which can pressure extremely early with Longbowmen, building a Military School will delay the Age-up and initial production of Sipahi enough that it may be a risky investment, so opting to build a Stable will be a better choice. Furthermore, the initial Dark Age production of Spearmen will be of little benefit since they cannot harass English Villagers effectively, and they can be easily defeated by the Longbowmen.

Deciding which unit to produce is a matter of which units synergize best with the available production buildings and player and enemy army compositions, as well as which units provide the most equivalent resources per minute. Equivalent resources per minute (rpm) can be calculated by dividing the cost of the unit by its training time. All units have the same equivalent rpm except for Mehters, which are more efficient than others by about 21%. While it may then seem obvious to just train the Mehter due to its relatively high value, players don't often have a need to continually produce Mehter from Military Schools, since it is more advantageous to try and have only one or two and keep them alive. Of the Feudal Age military units, all of them have the same equivalent rpm, but Sipahi production translates to the the highest food generation per minute. And since food is often the most limited resource in the early game, players often choose to toggle to Sipahis as soon as possible and produce Archers and other units from production buildings. On maps with little wood, such as Prairie, Archers may be the better choice, while against Feudal Knights, Spearmen may be needed. For reference, three Military Schools in the Feudal Age near Blacksmiths without any upgrades can generate about 240 resources per minute (for any combination of Archers, Spears or Sipahis), which is equivalent to ~5 Villagers. In late-game, when gold can be scarce, Janissaries are often the best choice due to their high gold cost and also due to their strong synergy with Great Bombards and Sipahi.

Further statistics[]

Hit points AoE4 CourtArchitects Court Architects (+30%)
Work Rate AoE4 AdvancedAcademy Advanced Academy (+25%)
AoE4 InfluenceBuff Blacksmith/University Influence (+20%/30%/40% in Feudal/Castle/Imperial Age, or +100% with Istanbul Observatory
Build Limit AoE4 MilitaryCampus Military Campus (+1)
Unit Types AoE4 AdvancedAcademy Advanced Academy (enables Lancers and Janissaries to be trained)

Changelog[]

  • With update 10.0.576, the base Military School training time was increased from 4.5x to 5x standard. With update 11.0.782, this was decreased to 4.75x.
  • With update 12.0.1974, the base production speeds of Janissaries and Lancers were reduced by around 25% and 28% respectively to bring their effective resources per minute in line with other units. Additionally, Cavalry Archers were added to the Military School.

Gallery[]

Buildings in Age of Empires IV
Common/Generic
Economic AoE4 Farm Farm ยท AoE4 House House ยท AoE4 LumberCamp Lumber Camp ยท AoE4 Market Market ยท AoE4 Mill Mill ยท AoE4 MiningCamp Mining Camp ยท AoE4 TownCenter Town Center ยท AoE4 TradePost/AoE4 CoastalTradePost Trade Post
Military AoE4 ArcheryRange Archery Range ยท AoE4 Barracks Barracks ยท AoE4 Dock Dock ยท AoE4 SiegeWorkshop Siege Workshop ยท AoE4 Stable Stable
Technology AoE4 Blacksmith Blacksmith ยท AoE4 University University/Madrasa
Defense AoE4 Keep Keep ยท AoE4 Outpost Outpost (AoE4 TollOutpost Toll Outpost) ยท AoE4 PalisadeGate Palisade Gate ยท AoE4 PalisadeWall Palisade Wall ยท AoE4 StoneWall Stone Wall ยท AoE4 StoneWallGate Stone Wall Gate ยท AoE4 StoneWallTower Stone Wall Tower
Religious AoE4 Monastery Monastery ยท AoE4 Mosque Mosque ยท AoE4 Monastery Prayer Tent
Victory Wonder ยท Sacred Site
Unique
Byzantines AoE4 Byzantines AoE4 Aqueduct Aqueduct ยท AoE4 Cistern Cistern ยท AoE4 MercenaryHouse Mercenary House ยท AoE4 OliveGrove Olive Grove
Chinese AoE4 Chinese
Zhu Xis Legacy AoE4 Zhu Xi's Legacy
AoE4 Village Village ยท AoE4 Granary Granary ยท AoE4 Pagoda Pagoda
English AoE4 English AoE4 SetupCamp Campfire
Japanese AoE4 Japanese AoE4 BuddhistTemple Buddhist Temple ยท AoE4 Keep Castle ยท AoE4 Farmhouse Farmhouse ยท AoE4 Forge Forge ยท AoE4 ShintoShrine Shinto Shrine
Malians AoE4 Malians AoE4 CattleRanch Cattle Ranch ยท AoE4 PitMine Pit Mine
Mongols AoE4 Mongols AoE4 Ger Ger ยท AoE4 Ovoo Ovoo ยท AoE4 Pasture Pasture
Ottomans AoE4 Ottomans AoE4 MilitarySchool Military School
Rus AoE4 Rus AoE4 HuntingCabin Hunting Cabin ยท AoE4 WoodenFortress Wooden Fortress ยท AoE4 PalisadeGate Fortified Palisade Gate ยท AoE4 PalisadeWall Fortified Palisade Wall
Landmarks
Abbasid Dynasty AoE4 Abbasid Dynasty
Ayyubids AoE4 Ayyubids
AoE4 HouseOfWisdom House of Wisdom
Byzantines AoE4 Byzantines AoE4 GrandWinery Grand Winery ยท AoE4 ImperialHippodrome Imperial Hippodrome ยท AoE4 GoldenHornTower Golden Horn Tower ยท AoE4 CisternoftheFirstHill Cistern of the First Hill ยท AoE4 ForeignEngineeringCompany Foreign Engineering Company ยท AoE4 PalatineSchool Palatine School
Chinese AoE4 Chinese AoE4 ImperialAcademy Imperial Academy ยท AoE4 BarbicanOfTheSun Barbican of the Sun ยท AoE4 AstronomicalClocktower Astronomical Clocktower ยท AoE4 ImperialPalace Imperial Palace ยท AoE4 GreatWallGatehouse Great Wall Gatehouse ยท AoE4 SpiritWay Spirit Way
Delhi Sultanate AoE4 Delhi Sultanate AoE4 DomeOfTheFaith Dome of the Faith ยท AoE4 TowerOfVictory Tower of Victory ยท AoE4 CompoundOfTheDefender Compound of the Defender ยท AoE4 HouseOfLearning House of Learning ยท AoE4 HisarAcademy Hisar Academy ยท AoE4 PalaceOfTheSultan Palace of the Sultan
English AoE4 English AoE4 AbbeyOfKings Abbey of Kings ยท AoE4 CouncilHall Council Hall ยท AoE4 KingsPalace King's Palace ยท AoE4 TheWhiteTower The White Tower ยท AoE4 BerkshirePalace Berkshire Palace ยท AoE4 WynguardPalace Wynguard Palace
French AoE4 French
Jeanne d Arc AoE4 Jeanne d'Arc
AoE4 ChamberOfCommerce Chamber of Commerce ยท AoE4 SchoolOfCavalry School of Cavalry ยท AoE4 GuildHall Guild Hall ยท AoE4 RoyalInstitute Royal Institute ยท AoE4 CollegeOfArtillery College of Artillery ยท AoE4 RedPalace Red Palace
HRE AoE4 Holy Roman Empire
Order of the Dragon AoE4 Order of the Dragon
AoE4 AachenChapel Aachen Chapel ยท AoE4 MeinwerkPalace Meinwerk Palace ยท AoE4 BurgravePalace Burgrave Palace ยท AoE4 RegnitzCathedral Regnitz Cathedral ยท AoE4 ElzbachPalace Elzbach Palace ยท AoE4 PalaceOfSwabia Palace of Swabia
Japanese AoE4 Japanese AoE4 KokaTownship Koka Township ยท AoE4 KuraStorehouse Kura Storehouse ยท AoE4 FloatingGate Floating Gate ยท AoE4 TempleofEquality Temple of Equality ยท AoE4 CastleoftheCrow Castle of the Crow ยท AoE4 TanegashimaGunsmith Tanegashima Gunsmith
Malians AoE4 Malians AoE4 SaharanTradeNetwork Saharan Trade Network ยท AoE4 MansaQuarry Mansa Quarry ยท AoE4 GrandFulaniCorral Grand Fulani Corral ยท AoE4 FarimbaGarrison Farimba Garrison ยท AoE4 FortOfTheHuntress Fort of the Huntress ยท AoE4 GriotBara Griot Bara
Mongols AoE4 Mongols AoE4 DeerStones Deer Stones ยท AoE4 TheSilverTree The Silver Tree ยท AoE4 Kurultai Kurultai ยท AoE4 SteppeRedoubt Steppe Redoubt ยท AoE4 KhaganatePalace Khaganate Palace ยท AoE4 TheWhiteStupa The White Stupa
Ottomans AoE4 Ottomans AoE4 TwinMinaretMedrese Twin Minaret Medrese ยท AoE4 SultanhaniTradeNetwork Sultanhani Trade Network ยท AoE4 InstanbulImperialPalace Istanbul Imperial Palace ยท AoE4 MehmedImperialArmory Mehmed Imperial Armory ยท AoE4 IstanbulObservatory Istanbul Observatory ยท AoE4 SeaGateCastle Sea Gate Castle
Rus AoE4 Rus AoE4 Kremlin Kremlin ยท AoE4 TheGoldenGate The Golden Gate ยท AoE4 AbbeyOfTheTrinity Abbey of the Trinity ยท AoE4 HighTradeHouse High Trade House ยท AoE4 HighArmory High Armory ยท AoE4 SpasskayaTower Spasskaya Tower
Zhu Xis Legacy AoE4 Zhu Xi's Legacy AoE4 MeditationGardens Meditation Gardens ยท AoE4 JiangnanTower Jiangnan Tower ยท AoE4 MountLuAcademy Mount Lu Academy ยท AoE4 ShaolinMonastery Shaolin Monastery ยท AoE4 ZhuXisLibrary Zhu Xi's Library ยท AoE4 TempleoftheSun Temple of the Sun
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