سلام

attached links may contain an answer for your question 

 good luck with your work

http://www.nap.edu/read/13417/chapter/4#27

http://www.cpre.org/images/stories/cpre_pdfs/increasing%20educational%20prod.rr-006.pdf

http://biblioteca.ucv.cl/site/colecciones/manuales_u/13417.pdf

http://www.tierweb.nl/tier/assets/files/UM/Working%20papers/Meta_analysis_efficiency_of_education%201109.pdf

Thank you so much saifeldin for the documents are very helpful.

Productivity in the Education sector is tied to the idea of targets and levels achieved nationally, and in comparison to previous levels or international markers. Efficency in Education is about achieving those targets with the best possible use of often diminishing resources or at least to avoid burgeoning waste of resources. Look at any of the Government papers in the UK on levels and achievement for more information about one view of productivity in Education.

Sourour, I inserted three links, two classical and a recent paper. I wish help you. Good work.

http://sea.bxb.ro/Article/SEA_4_81.pdf

http://tocs.ulb.tu-darmstadt.de/22932690.pdf

http://eric.ed.gov/?id=ED367770