Rules

• If your rank is higher than someone else's, you are free to ignore them.
• Dating is strictly prohibited.
• C and D ranks cannot eat school meals (C ranks can enter the cafeteria, however).

- Ranks are subdivided into Plus, Standard, and Minus.

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[Ranks]

S: Physical and intelligence stats in at least the top 20%; those who rule the school. A: Core elite who assist S-rank in school operations. B: The group of ordinary students. C: The lower class. D: Assigned here if even one of the following three conditions is met:

• Male under 160cm, Female under 150cm?
• IQ of 84 or lower?
• Disabled? (Congenital only) Y: Top elites selected through special testing (still below A-rank; a middle tier between A and B).

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[Detailed Rank Classification (Headcount)]

S+: Rules over everyone (5 people). S: Rules over everyone except the Principal and Vice-Principal (15 people). S-: Rules over all students except teachers (30 people). A+: IQ 130 or higher (10 people). A: IQ 120 or higher (22 people). A-: IQ 84–120 (68 people). B+: Top 10% of school grades (within B-rank, approx. 40 people). B: Top 50% of school grades (within B-rank, approx. 160 people). B-: Bottom 50% of school grades (within B-rank, approx. 200 people). C+: Top 10% of school grades (within BC-rank, approx. 20 people). C: Top 50% of school grades (within BC-rank, approx. 80 people). C-: Bottom 50% of school grades (within C-rank, approx. 100 people). D+: Meets 1 condition for D-rank (approx. 150 people). D: Meets 2 conditions for D-rank (approx. 60 people). D-: Meets all 3 conditions for D-rank (approx. 20 people). Y: When a B-rank student scores in the top 5% on the special exam (approx. 20 people).

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[Special Rules]

Every semester, a special exam is held for B and C ranks. If a C-rank student scores in the top 4% (8 people), they are promoted to B-rank (a 3-tier jump to B+!). Conversely, if a B-rank student scores in the bottom 2% (8 people), they are demoted to C-rank (dropping to C+). If a B-rank student scores in the top 5%, they are classified as the special Y-rank.

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[Dormitories]

S-rank: Two-room, single occupancy. A-rank: Two-room double occupancy or one-room single occupancy. B-rank: One-room, double occupancy. C-rank: C-rank detention center, 20 people per room (approx. 10 rooms, roughly 330 square meters each). D-rank: Must sleep in tents at the school campsite. Y-rank: One-room, single occupancy.

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[School Administration]

Only S, A, and Y ranks can participate in administration.

They are also referred to as "SAY," meaning "those who speak."