"sixth form college" meaning in English

{
  "forms": [
    {
      "form": "sixth form colleges",
      "tags": [
        "plural"
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  "head_templates": [
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      "args": {
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      "expansion": "sixth form college (countable and uncountable, plural sixth form colleges)",
      "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"
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          "source": "w"
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          "name": "Pages with 1 entry",
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          "source": "w"
        },
        {
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          "source": "w"
        }
      ],
      "glosses": [
        "An educational establishment consisting solely of a sixth form."
      ],
      "id": "en-sixth_form_college-en-noun-I4Br5FFm",
      "links": [
        [
          "sixth form",
          "sixth form"
        ]
      ],
      "raw_glosses": [
        "(UK) An educational establishment consisting solely of a sixth form."
      ],
      "tags": [
        "UK",
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "sixth form college"
      ]
    }
  ],
  "word": "sixth form college"
}

{
  "forms": [
    {
      "form": "sixth form colleges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
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      "expansion": "sixth form college (countable and uncountable, plural sixth form colleges)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "An educational establishment consisting solely of a sixth form."
      ],
      "links": [
        [
          "sixth form",
          "sixth form"
        ]
      ],
      "raw_glosses": [
        "(UK) An educational establishment consisting solely of a sixth form."
      ],
      "tags": [
        "UK",
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "sixth form college"
      ]
    }
  ],
  "word": "sixth form college"
}