We congratulated him upon his attainment to so great an age.

我们敬贺他高寿。

《新英汉大辞典》

Educational attainment in women and girls has been correlated with decreased fertility and smoking rates, increased age of marriage, adequate birth spacing and overall treatment adherence.

妇女和女童获得教育，可以降低生育率和吸烟率，提高结婚年龄，适当拉开生育间隔，并增强总体治疗依从性。

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Heckman points out that big gaps in educational attainment are present at age 5.

海克曼指出受教育程度的巨大差距在小孩5岁的时候就显现出来。

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These include the proportion of children under five on free school meals achieving a "good level of development" compared with other children, attainment at age 16 of those eligible for free school meals and higher education enrolment by social background.

BBC: Birth weight among social mobility checks - Nick Clegg

Enrollment at the secondary level has grown, both in absolute terms and as a proportion of the student-age population, and attainment rates compare favorably with those of other industrial countries.

UNESCO: II Part Analytic Section