"opportunity class" meaning in English

{
  "forms": [
    {
      "form": "opportunity classes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "opportunity class (plural opportunity classes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Education",
          "orig": "en:Education",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A separate primary-school class for teaching gifted children."
      ],
      "id": "en-opportunity_class-en-noun-f3ReFa00",
      "links": [
        [
          "education",
          "education"
        ],
        [
          "primary-school",
          "primary school"
        ],
        [
          "gifted",
          "gifted"
        ],
        [
          "child",
          "child"
        ]
      ],
      "raw_glosses": [
        "(Australia, education) A separate primary-school class for teaching gifted children."
      ],
      "tags": [
        "Australia"
      ],
      "topics": [
        "education"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Education",
          "orig": "en:Education",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1944, United States. Congress. House, Hearings, volume 9, page 361:",
          "text": "Opportunity classes. — These are classes for retarded overgrown pupils. Many of these children come to our city from rural areas where their education has been irregular.",
          "type": "quote"
        },
        {
          "ref": "1969, Alberta. Dept. of Education, Annual Report of the Department of Education, page 78:",
          "text": "Mildly retarded children, who are usually termed \"educable mentally retarded\" formed the largest group of handicapped children in Alberta. Most of them attended \"Opportunity Classes\".",
          "type": "quote"
        }
      ],
      "glosses": [
        "A separate class for teaching backward children."
      ],
      "id": "en-opportunity_class-en-noun-pixx6gPc",
      "links": [
        [
          "education",
          "education"
        ],
        [
          "backward",
          "backward"
        ]
      ],
      "raw_glosses": [
        "(historical, education) A separate class for teaching backward children."
      ],
      "synonyms": [
        {
          "word": "opportunity room"
        }
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "education"
      ]
    }
  ],
  "word": "opportunity class"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "opportunity classes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "opportunity class (plural opportunity classes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Australian English",
        "en:Education"
      ],
      "glosses": [
        "A separate primary-school class for teaching gifted children."
      ],
      "links": [
        [
          "education",
          "education"
        ],
        [
          "primary-school",
          "primary school"
        ],
        [
          "gifted",
          "gifted"
        ],
        [
          "child",
          "child"
        ]
      ],
      "raw_glosses": [
        "(Australia, education) A separate primary-school class for teaching gifted children."
      ],
      "tags": [
        "Australia"
      ],
      "topics": [
        "education"
      ]
    },
    {
      "categories": [
        "English terms with historical senses",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Education"
      ],
      "examples": [
        {
          "ref": "1944, United States. Congress. House, Hearings, volume 9, page 361:",
          "text": "Opportunity classes. — These are classes for retarded overgrown pupils. Many of these children come to our city from rural areas where their education has been irregular.",
          "type": "quote"
        },
        {
          "ref": "1969, Alberta. Dept. of Education, Annual Report of the Department of Education, page 78:",
          "text": "Mildly retarded children, who are usually termed \"educable mentally retarded\" formed the largest group of handicapped children in Alberta. Most of them attended \"Opportunity Classes\".",
          "type": "quote"
        }
      ],
      "glosses": [
        "A separate class for teaching backward children."
      ],
      "links": [
        [
          "education",
          "education"
        ],
        [
          "backward",
          "backward"
        ]
      ],
      "raw_glosses": [
        "(historical, education) A separate class for teaching backward children."
      ],
      "synonyms": [
        {
          "word": "opportunity room"
        }
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "education"
      ]
    }
  ],
  "word": "opportunity class"
}