"below level" is correct and usable in written English
You can use it to describe a level of achievement that is not as high as expected or required. For example, "John's test scores were below level, so he will need to retake the exam."
Splayed out below, level with the building's second floor, is an 18,000-square-foot expanse of velvety green lawn complete with a set of raised beds that will be available for residents to plant, creating a kind of private community garden in the air, each four-by-four plot the green equivalent of the roof cabana.
But in Indonesia 76% are below level two.
The government this year rated large sections of the river below level 5, or so highly polluted that it is unfit for any use.
Still, the 2008 figures were well below level of 2001, when 623,000 people lodged new asylum claims, the U.N. agency said in a report on asylum trends in industrialized countries in 2008.
In their test, a student scores below level two if they haven't really mastered enough maths skills to cope with simple problems, and one might take that as a standard for "relevant and effective learning outcomes".
Currently, students are largely judged based on annual reading and math tests, with results ranging from a low of Level 1 to a high of Level 4. Any score below Level 3 has failed to meet state standards.
They found that effects were, "below levels for practical significance".
Both of these processes appear to contribute to the induction of bilateral below-level pain in SCI rats.
The present study was designed to examine the potential role of astrocyte gap junction connectivity in the induction and maintenance of "below-level" neuropathic pain in SCI rats.
The below-level transit system, with cars that go directly to a passenger's destination, is one that will see its first use at London's Heathrow Airport next year.
Striving Readers, part of Reading First, was a richly funded initiative of the George W. Bush administration that gave money to states to help them adopt intensive solutions for below-level readers in middle and high schools.
