母校

1. Origins, structure, and basic meaning

• Structure: 母校 (ぼこう) is a person's alma mater, the school that person attended.
• Basic usage: It can refer to the school itself or modify something belonging to it, as in 母校の文化祭.

2. Common pitfalls and similar expressions

• Whose alma mater it is
  • It can belong to the speaker or another person established by context; it means a school that person actually attended.