"middle educated" is correct and can be used in written English.
It is typically used to refer to individuals who have received a moderate amount of education, usually not at the highest level but also not at the lowest level. Example: "The job market is becoming increasingly competitive, making it difficult for middle educated individuals to find suitable employment opportunities."
The distribution of tumour stage at diagnosis revealed a decreasing proportion of tumours with regional or distant metastasis with increasing years of education up to 13 16 years, whereas the highest educated women had a stage distribution similar to the middle educated (10 12 years of education).
They are as follows: (a) the low educated: immigrants who arrived with education that ends up at primary school (≤ 9 years of schooling); (b) the middle educated: those who arrived with a secondary school education; and (c) the high educated: those who arrived with a post-secondary school education.
The increase in dual use was statistically significant among those with low education (OR 1.4, 95% CI 1.25 1.50), nearly significant among middle educated (OR 1.1, 95% CI 0.998 1.13) but not among highly educated (OR 0.96, 95% CI 0.86 1.07).
However, there is some difference with respect to the probability of being low and middle educated.
For the middle educated, the main difference concerns the fact that, without controls, the effect now is not significantly different from 0 any more (model 2.1).
Despite these differences for low and middle educated, we argue that the imputed data are more accurate as shown by more consistent time series (see Figure 5).
Patient demographic information included age, gender, educational attainment (low, middle, high educated), migration status and insurance type (public/private).
"The people who lost family are often middle class, educated.
Moreover there is now a revived civil society, a vibrant Russian middle class, educated Muscovites and a political opposition from left to right that refuses to remain passive.
In the United States, the majority culture is white, Judeo-Christian, middle class, educated, and straight.
They help to create the illusion of system-wide improvement by keeping middle class, educated, affluent (read: "white") parents happy.
