"middle level education" is correct and usable in written English.
You can use this phrase to describe a type of educational program or level of schooling that is somewhere between the basic education provided in primary school and the higher education offered in college and university. For example, "After completing primary school, many students pursue middle level education, such as vocational and technical programs."
Several empirical studies on service learning in the disciplines of physical education, multicultural education, literacy, social studies, and middle level education identify the importance of reflection in learning [8, 46] and report the prospective teachers' valuing of authentic experiences [30, 41, 46].
Level of education was reclassified as compulsory school, middle level education (including vocational education below university level) and university degree.
The level of education was classified as primary school, middle level education and university degree in both data sets.
In 2008 adjOR1.22), having middle level education was associated with increased odds of visiting a CAM practitioner.
Although a quarter of the population had only low or middle level education, most of the respondents were knowledge workers.
If 20% of the population are in the next group, middle level education, then this education group is allocated a score 0.20 (0.1 + 0.2/2) and so on.
On the other hand, university graduates tend to have higher levels of unemployment compared to people with middle-level education and people without a high-school diploma.
Moreover, 12.3%% of the mothers and 31.1%% of the fathers had obtained a middle-level education.
The Technical Education and Skills Development Authority (TESDA) administers the post-secondary middle-level education training and development.
Heritability was slightly lower in children with a mother with a middle-level education.
Estonian women who have a middle-level education are more likely to be in minority majority unions than are those that have a low- or a high-level education.
