| 11. | Fifty three public schools in Allegheny County were among the lowest-achieving schools in 2011.
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| 12. | Fifty three 0-6-0 goods engines were constructed at Ashford Works between 1855 and 1876.
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| 13. | Fifty three percent of the students had specific learning disabilities.
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| 14. | There are fifty three rural and urban settlements, besides the borough of Santa Rosa.
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| 15. | Fifty three aircraft dispersal bays with some protected with earth revetments were also constructed.
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| 16. | Fifty three public schools in Allegheny County are among the lowest-achieving schools in 2011.
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| 17. | Hargrave died at the age of fifty three at Camden Place, Cork in March 1808.
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| 18. | Little is known of his work caring for his flock during these fifty three years.
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| 19. | He took fifty three wickets at 49.33, with a best return of 5 for 40.
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| 20. | Fifty three survivors were beheaded or bayoneted to death.
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