6th grade, 7th grade, 8th grade
Codes
Label
6th grade, 7th grade, 8th grade
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6 6th grade
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7 7th grade
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8 8th grade
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9 9th grade
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10 10th grade
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11 11th grade
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12 12th grade
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13 1 year of college
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14 2 years of college
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15 3 years of college
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16 4 years of college
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17 5 or more years of college
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18 1 year of graduate school
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19 2 years of graduate school
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20 3 years of graduate school
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21 4 years of graduate school
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22 5 or more years of graduate school