Here is the full list of all 63 Dead or School achievements.
NEW_ACHIEVEMENT_DESC_11_6
NEW_ACHIEVEMENT_DESC_10_27
NEW_ACHIEVEMENT_DESC_10_18
NEW_ACHIEVEMENT_DESC_10_17
NEW_ACHIEVEMENT_DESC_11_0
NEW_ACHIEVEMENT_DESC_11_7
NEW_ACHIEVEMENT_DESC_10_16
NEW_ACHIEVEMENT_DESC_10_31
Completed Yoshitaka's mission in Asakusa
NEW_ACHIEVEMENT_DESC_10_26
The amount of money spent on shopping is over 30,000 yen
The attack speed of your weapon is over 1,000
The attack power of your weapon is over 10,000
Weapons have been reinforced 100 times
Your life is over 1500
Your stamina is over 1500
NEW_ACHIEVEMENT_DESC_10_15
NEW_ACHIEVEMENT_DESC_10_25
NEW_ACHIEVEMENT_DESC_10_30
Repel the corrupted Yakuza at Shinjuku Kabukicho
Weapon has been modified 100 times
Your money is over ￥10000
NEW_ACHIEVEMENT_DESC_10_14
NEW_ACHIEVEMENT_DESC_10_29
NEW_ACHIEVEMENT_DESC_10_24
NEW_ACHIEVEMENT_DESC_10_20
Weight limit is over 200
NEW_ACHIEVEMENT_DESC_10_13
NEW_ACHIEVEMENT_DESC_10_23
NEW_ACHIEVEMENT_DESC_10_19
Collected all exhibitions
3 types of drones summoned
NEW_ACHIEVEMENT_DESC_10_28
Defeated a boss at Ichigaya station
Rescued refugees in Ichigaya
Completed Daiba’s request in Ichigaya
Your Launcher skill is over 20
Your Machine gun skill is over 20
Your sword skill is over 20.
One-shot killed 5 enemies at a time
Defeated a boss at Harajuku station
Attacks evaded 100 times
50 near death situations survived
The number of enemies killed by launcher is over 100.
Completed Yurika’s request in Harajuku
Kill an enemy by pushing it into a hole
Weapon has been enforced to the maximum.
Defeated a boss at Shinjuku station
Kill an enemy with an aura
Rescued refugees in Shinjuku
Completed Yurika’s request in Shinjuku
Completed Noriaki’s request in Shinjuku
Kill a rare enemy
The number of enemies killed by machine gun is over 100
Found a rare shop
Purchase an item at the shop for the first time
The number of enemies killed by swords is over 100
Obtain a souvenir for the first time
Rescued refugees for the first time
Modified a weapon for the first time
Reinforced a weapon for the first time