Results finally came out after a jam in the online notification portal, but here are some relevant links to study at your leisure.
Round 1 SEHS Cutoff Scores: https://cps.edu/SiteCollectionDocuments/gocps/GoCPS_Cutoff_SEHS_2019.pdf
Round 1 Choice (Non-selective) Cutoff Scores: https://cps.edu/SiteCollectionDocuments/gocps/GoCPS_Cutoff_Choice_2019.pdf
SEHS Principal’s Discretion Handbook (this allows an SEHS Principal to select 5% of the freshman class via a holistic admissions method): https://cps.edu/SiteCollectionDocuments/gocps/PrincipalDiscretionHandbook.pdf
SEHS Principal’s Discretion FAQs: https://cps.edu/SiteCollectionDocuments/gocps/PrincipalDiscretionFAQs.pdf
GoCPS also has some helpful videos to aide in understanding how to interpret the results: https://go.cps.edu/high-school/selection
Good luck to the 8th graders! Wherever you end up, make the most of your time there as high school breezes by so quickly!