Lathrop, California. Lathrop is a city located in San Joaquin County, California, United States. At the 2010 census Lathropâs population was 18,023. The city is located in Northern California at the intersection of Interstate 5 and SR 120. Contents.
The lowest composite ACT score possible is 1, while the highest ACT score possible is 36. Other factors will help you determine what a good ACT composite score is for you, and weâll look at those in a minute.
You may have heard about perfect students who just rolled out of bed, strolled to the ACT test center, and scored the highest possible ACT score without any prep. This was not me. Some people like the ones above may in fact exist, but they're rare.