Shares of Kelly Services Inc. KELYA rose 2.3% in premarket trading Thursday, after the staffing services company reported first-quarter adjusted profit and revenue that fell less than expectations, citing strength in its education business. The company swung to net income of $10.9 million, or 29 cents a share, from a loss of $47.6 million, or $1.23 a share, in the year-ago period. Excluding nonrecurring items, such a restructuring charges and a loss last year on the sale of Kelly’s investment in Persol Holdings, adjusted earnings per share fell to 40 cents from 44 cents, but beat the FactSet consensus of 30 cents. Revenue…