Here is the full list of all 63 Dead or School achievements.
The attack power of your weapon is over 10,000
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NEW_ACHIEVEMENT_DESC_10_17
NEW_ACHIEVEMENT_DESC_11_6
NEW_ACHIEVEMENT_DESC_10_27
The attack speed of your weapon is over 1,000
NEW_ACHIEVEMENT_DESC_11_7
Your Machine gun skill is over 20
NEW_ACHIEVEMENT_DESC_11_0
The amount of money spent on shopping is over 30,000 yen
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NEW_ACHIEVEMENT_DESC_10_31
Completed Yoshitaka's mission in Asakusa
NEW_ACHIEVEMENT_DESC_10_26
Your sword skill is over 20.
Your life is over 1500
3 types of drones summoned
Weapons have been reinforced 100 times
NEW_ACHIEVEMENT_DESC_10_15
NEW_ACHIEVEMENT_DESC_10_25
NEW_ACHIEVEMENT_DESC_10_30
Repel the corrupted Yakuza at Shinjuku Kabukicho
NEW_ACHIEVEMENT_DESC_10_14
Your Launcher skill is over 20
NEW_ACHIEVEMENT_DESC_10_24
NEW_ACHIEVEMENT_DESC_10_29
NEW_ACHIEVEMENT_DESC_10_20
Weight limit is over 200
Weapon has been enforced to the maximum.
Your stamina is over 1500
Collected all exhibitions
Rescued refugees in Shinjuku
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NEW_ACHIEVEMENT_DESC_10_23
NEW_ACHIEVEMENT_DESC_10_19
Kill an enemy by pushing it into a hole
Weapon has been modified 100 times
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Defeated a boss at Ichigaya station
Your money is over ￥10000
Rescued refugees in Ichigaya
Completed Daiba’s request in Ichigaya
Defeated a boss at Harajuku station
50 near death situations survived
Completed Yurika’s request in Harajuku
Attacks evaded 100 times
The number of enemies killed by launcher is over 100.
Defeated a boss at Shinjuku station
Completed Noriaki’s request in Shinjuku
Kill an enemy with an aura
The number of enemies killed by machine gun is over 100
Rescued refugees for the first time
Completed Yurika’s request in Shinjuku
Found a rare shop
Kill a rare enemy
One-shot killed 5 enemies at a time
The number of enemies killed by swords is over 100
Purchase an item at the shop for the first time
Obtain a souvenir for the first time
Modified a weapon for the first time
Reinforced a weapon for the first time