The Secondary school timetable ; edited by Jack Walton. 

 - London:   Ward Lock,   1972.  
 - 136 p. :  ill., forms ;  22 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0706231066 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Secondary--Curricula--Great Britain<br/>Ability grouping in education
<br/><br/><label>Dewey Class. No.: </label>373.12