The phrase "a single dropout" is correct and usable in written English.
It can be used when referring to one individual who has left or discontinued their participation in a program, course, or institution.
Example: "In the study, we found that a single dropout can significantly affect the overall results and conclusions drawn from the data."
Alternatives: "one dropout" or "a lone dropout".
She was a high school dropout and a single mom, but somehow she managed to make a better life for herself and her children.
Though many did not believe Fantasia to be a proper "American Idol" because she was a single mother and high school dropout, her talent couldn't be denied and she beat out runner-up Diana DeGarmo by 1.3 million votes.
As a dropout living with a single mother, she did not embody the Winchesterian elite's ideal of young womanhood.
Welcome to Garbage Camp, a highly collaborative effort from the design studio of TerraCycle, which was started 10 years ago by a Princeton dropout, Tom Szaky, with a single product, Worm Poop, a plant food made from just what you'd think.
Explaining the comments to reporters afterward, Mr. Perry noted that Ms. Davis's mother, a sixth-grade dropout who became a single mother herself, might have chosen a different path and not had a baby.
In it, details are either eliminated or enlarged to barn size: there are big hand claps, huge dropouts that spotlight a single word, even sirens.
Ms. Ramos, a high school dropout from the Bronx, became a single mother at 19.
The board is powered by two low dropout voltage regulators which may be supplied by a single battery.
Sometimes, WMD-MSG leads to unacceptably high dropout of samples when very large numbers of samples (>500) are processed in a single library.
With a single nonreplicated set of genotypes, we jointly estimate the parameters of the model, including allele frequencies, sample-specific dropout rates, locus-specific dropout rates, and an inbreeding coefficient, thereby correcting for the underestimation of observed heterozygosity and overestimation of inbreeding caused by allelic dropout.
