Best High Schools in Slidell, LA

Summary:

The city of Slidell, Louisiana is home to three high schools: Slidell High School, Northshore High School, and Salmen High School. These schools serve students in grades 9-12 within the St. Tammany Parish district.

Among the three Slidell high schools, Northshore High School stands out as the top performer. Northshore is ranked 57th out of 329 Louisiana high schools and earns a 4-star rating from SchoolDigger. The school boasts consistently high test scores, with 70-80% of students proficient or better in core subjects. In contrast, Salmen High School has the lowest test scores, particularly in math. All three Slidell high schools have similar graduation rates around 83% and dropout rates around 3.3%, but the chronic absenteeism rate is quite high at 24.6% across the board.

The differences in student demographics, with Northshore High School having a lower percentage of students receiving free/reduced lunch compared to the other two schools, may contribute to the performance gap. Understanding these dynamics can help inform strategies to support student success across the Slidell high school district.

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				LEAP Algebra I (2025)	LEAP Geometry (2025)	LEAP English II (2025)	LEAP U.S. History (2025)	LEAP English I (2025)	LEAP Biology (2025)	Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	LEAP Algebra I End of Course	LEAP Geometry End of Course	LEAP English II End of Course	LEAP U.S. History End of Course	LEAP English I End of Course	LEAP Biology End of Course	Total
Salmen High School	Public	9-12	300 Spartan Drive	Slidell	70458	St. Tammany Parish	St. Tammany Parish	No	No	No	No	(985) 643-7359	1,091	74	14.8	62.6%	163 (14.9%)	751 (68.8%)	98 (9.0%)	28 (2.6%)	2 (0.2%)	2 (0.2%)	47 (4.3%)	27.8	237^th of 329 public high schools	28.0%		34	221^st of 333 public high schools	33.6%	16	46.0	33.0	52.0	47.0	56.0	49.0	$15,129
Slidell High School	Public	9-12	#1 Tiger Drive	Slidell	70458	St. Tammany Parish	St. Tammany Parish	No	No	No	No	(985) 643-2992	1,654	116	14.2	52.3%	746 (45.1%)	614 (37.1%)	170 (10.3%)	16 (1.0%)	8 (0.5%)	4 (0.2%)	96 (5.8%)	52.1	166^th of 329 public high schools	49.5%		45.9	187^th of 333 public high schools	43.8%	21	61.0	46.0	62.0	64.0	73.0	59.0	$14,835
Northshore High School	Public	9-12	100 Panther Drive	Slidell	70461	St. Tammany Parish	St. Tammany Parish	No	No	No	No	(985) 649-6400	1,518	101	15.0	34.9%	905 (59.6%)	334 (22.0%)	167 (11.0%)	43 (2.8%)	9 (0.6%)	0 (0.0%)	60 (4.0%)	77.3	57^th of 329 public high schools	82.7%		79.5	50^th of 333 public high schools	85.0%	7	73.0	76.0	75.0	79.0	75.0	80.0	$14,343

Cities Near Slidell

City	Distance	# of Schools	Statewide Rank
Pearl River	5.92 mi	5	100^th
Lacombe	10.66 mi	2	118^th
Mandeville	14.76 mi	17	16^th
New Orleans	18.51 mi	154	160^th
Abita Springs	20.78 mi	2	37^th

See the top LA Louisiana cities

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Louisiana Dept of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.