在弗吉尼亚理工大学的土木工程师马克·爱德华兹说，大多数学区因为铅治理的费用而不检测他们的饮用水。
Most school districts do not test their water because of the costs associated with lead remediation, said Marc Edwards, a civil engineer at Virginia Tech.
全国超过15000个学区出现了不同的科学和数学教学方法。
Throughout the nation's more than 15,000 school districts, widely differing approaches to teaching science and math have emerged.
他们一直是学区高等数学项目的大力支持者。该项目本来是从四年级开始，但现在将从六年级开始。
They have been huge supporters of the district's advanced mathematics program, which once began in the fourth grade but will now start in the sixth.
去年，该市所有年级学生的阅读和数学能力超过了与其收入水平相当的同州其他学区。
Last year the city outperformed other New York state school districts with similar income levels in reading and maths at all grades.
我们有369个学区，但是有很多学区都太小了，不能开设学生们需要的数学课和科学课程。
We had 369 school districts, many too small to offer needed courses in math and science.
学区花了121000美元购买《基础数学》书籍，花了24632美元购买老师资料。
The district spent $121, 000 on the “Primary Mathematics” books and $24, 632 for teachers’ materials.
他们联手将纽约32个学区重新划分为10个区域，为阅读、写作和数学选定了统一课程，然后关闭大型的中学并在原址建立小型中学。
Together, they dissolved the city's 32 school districts and replaced them with ten regions. They chose a uniform curriculum for reading, writing and maths.
他们联手将纽约32个学区重新划分为10个区域，为阅读、写作和数学选定了统一课程，然后关闭大型的中学并在原址建立小型中学。
Together, they dissolved the city's 32 school districts and replaced them with ten regions. They chose a uniform curriculum for reading, writing and maths.
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