The school has a very high teacher-student ratio.

这所学校的师生比例很高。

《牛津词典》

In 2015, the teacher student-ratio for MBA class is 1:15.

在2015年，工商管理硕士的课堂师生比例是1：15。

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In order to make the student teacher ratio is controlled within a reasonable range, universities need to strengthen teachers team to meet the needs of higher education management.

为了使生师比控制在合理的范围内，高校需要壮大师资队伍以满足高校教育管理的需要。

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However, when you think about it, a low student-teacher ratio goal, is specifically a low-productivity goal inconsistent with productivity increases needed to stretch scarce tax and tuition dollars.

FORBES: Why Fixing America's Schools Means Increasing Teacher Productivity

During his campaign, he often noted Somerville's low student-to-teacher ratio.

CNN: Candidate Profile from Congressional Quarterly

Infant mortality has declined, and some 100, 000 teachers have been hired to narrow the yawning teacher-student ratio.

BBC: Why Uttar Pradesh is India's battleground state