n.a. | n.a. | 231 | 246
| ------ | ------ | ------- | ------
Total technical | 384 | 159 | 467 | 568
Teacher training | 5 | n.a. | 18 | 20
Higher education | 12 | 19 | 20 | 26
--------------------------+---------+---------+---------+---------
n.a.--not available.
* In 1960 the primary and secondary levels were unified under one system.

_Table 7. Number of Students in Bulgaria, Selected School Years,
1938-70_

--------------------------+-----------+-----------+-----------+-----------
Level | 1938/39 | 1948/49 | 1960/61 | 1970/71
--------------------------+-----------|-----------+-----------+-----------
Kindergarten | 12,859 | n.a. | 281,000 | 331,960
Primary | 955,330 | 928,934 | * | *
Secondary | 73,561 | 129,396 | * | *
| --------- | --------- | --------- | ---------
Total primary-secondary | 1,028,891 | 1,058,330 | 1,212,383 | 1,154,630
Vocational technical | n.a. | n.a. | 42,123 | 47,253
Secondary vocational | n.a. | n.a. | 0 | 83,038
Technical | n.a. | n.a. | 93,944 | 152,919
| --------- | --------- | --------- | ---------
Total technical | 46,925 | 31,826 | 136,067 | 283,210
Teacher training | 401 | n.a. | 4,203 | 6,921
Higher education | 11,443 | 29,639 | 54,965 | 89,331
--------------------------+-----------+-----------------------------------
n.a.--not available.
* In 1960 the primary and secondary levels were unified under one system.

The next reforms occurred in 1957 and in 1958 and placed a much stronger
emphasis on technical-vocational training, while the years of total
schooling were again increased. The period of secondary schooling
consisted of a five-year program rather than the previous four, thus
extending the entire period of education to twelve years. The network of
professional schools was expanded significantly, and teacher training
was upgraded and given new emphasis. In 1958 there were specialized
professional schools with approximately 64,000 students studying various
aspects of industry and agriculture. At approximately