"big school" meaning in English

{
  "etymology_text": "So called because the bigger (older) children attend.",
  "forms": [
    {
      "form": "big schools",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "big school (countable and uncountable, plural big schools)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Schools",
          "orig": "en:Schools",
          "parents": [
            "Buildings",
            "Education",
            "Buildings and structures",
            "Society",
            "Architecture",
            "All topics",
            "Applied sciences",
            "Art",
            "Fundamental",
            "Sciences",
            "Culture"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1982, Hunter Davies, Flossie Teacake's Fur Coat:",
          "text": "\"Big School is more fun than Primary School,\" said Flossie to her mother as they both sat at the kitchen table, eating their lunch together. \"Isn't it, Mum?\"",
          "type": "quote"
        },
        {
          "ref": "2012, David Walliams [pseudonym; David Edward Williams], Ratburger, London: HarperCollins Children’s Books, →ISBN:",
          "text": "She had only just started at big school, and she wasn’t used to getting into trouble. She had never done anything wrong at her little school, and even the thought of doing something wrong frightened her.",
          "type": "quote"
        }
      ],
      "glosses": [
        "secondary school."
      ],
      "id": "en-big_school-en-noun-~mpDZRS~",
      "links": [
        [
          "childish",
          "childish"
        ],
        [
          "secondary school",
          "secondary school"
        ]
      ],
      "raw_glosses": [
        "(British, childish) secondary school."
      ],
      "tags": [
        "British",
        "childish",
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "big school"
}

{
  "etymology_text": "So called because the bigger (older) children attend.",
  "forms": [
    {
      "form": "big schools",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "big school (countable and uncountable, plural big schools)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English childish terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "en:Schools"
      ],
      "examples": [
        {
          "ref": "1982, Hunter Davies, Flossie Teacake's Fur Coat:",
          "text": "\"Big School is more fun than Primary School,\" said Flossie to her mother as they both sat at the kitchen table, eating their lunch together. \"Isn't it, Mum?\"",
          "type": "quote"
        },
        {
          "ref": "2012, David Walliams [pseudonym; David Edward Williams], Ratburger, London: HarperCollins Children’s Books, →ISBN:",
          "text": "She had only just started at big school, and she wasn’t used to getting into trouble. She had never done anything wrong at her little school, and even the thought of doing something wrong frightened her.",
          "type": "quote"
        }
      ],
      "glosses": [
        "secondary school."
      ],
      "links": [
        [
          "childish",
          "childish"
        ],
        [
          "secondary school",
          "secondary school"
        ]
      ],
      "raw_glosses": [
        "(British, childish) secondary school."
      ],
      "tags": [
        "British",
        "childish",
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "big school"
}