"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": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "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": "quotation"
        }
      ],
      "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 entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "English uncountable nouns",
        "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": "quotation"
        }
      ],
      "glosses": [
        "secondary school."
      ],
      "links": [
        [
          "childish",
          "childish"
        ],
        [
          "secondary school",
          "secondary school"
        ]
      ],
      "raw_glosses": [
        "(British, childish) secondary school."
      ],
      "tags": [
        "British",
        "childish",
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "big school"
}