Snowline Academy (Data source)
Source data for Snowline Academy
2015
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 2083112 | 0 | - | 2436 | = | * | (6 | / | 38) | = | ||||
4 | 2083113 | 2400 | - | 2485 | = | -85 | * | (11 | / | 38) | = | -24.60526314 | ||
5 | 2083116 | 0 | - | 2528 | = | * | (1 | / | 38) | = | ||||
6 | 2083117 | 0 | - | 2552 | = | * | (3 | / | 38) | = | ||||
7 | 2083120 | 0 | - | 2567 | = | * | (5 | / | 38) | = | ||||
8 | 2083121 | 0 | - | 2586 | = | * | (6 | / | 38) | = | ||||
11 | 2083124 | 0 | - | 2628 | = | * | (6 | / | 38) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Snowline Academy | -25 |
2016
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 64017 | 0 | - | 2436 | = | * | (4 | / | 26) | = | ||||
4 | 64018 | 0 | - | 2485 | = | * | (3 | / | 26) | = | ||||
5 | 64020 | 0 | - | 2528 | = | * | (2 | / | 26) | = | ||||
6 | 64023 | 0 | - | 2552 | = | * | (2 | / | 26) | = | ||||
7 | 64024 | 0 | - | 2567 | = | * | (4 | / | 26) | = | ||||
8 | 64026 | 0 | - | 2586 | = | * | (5 | / | 26) | = | ||||
11 | 64029 | 0 | - | 2628 | = | * | (6 | / | 26) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Snowline Academy |
2017
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 65806 | 0 | - | 2436 | = | * | (0 | / | 44) | = | ||||
4 | 65809 | 0 | - | 2485 | = | * | (0 | / | 44) | = | ||||
5 | 65810 | 0 | - | 2528 | = | * | (0 | / | 44) | = | ||||
6 | 65812 | 0 | - | 2552 | = | * | (0 | / | 44) | = | ||||
7 | 65815 | 0 | - | 2567 | = | * | (0 | / | 44) | = | ||||
8 | 65816 | 0 | - | 2586 | = | * | (0 | / | 44) | = | ||||
11 | 65818 | 2597 | - | 2628 | = | -31 | * | (12 | / | 44) | = | -8.45454543 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Snowline Academy | -8 |
2018
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 65887 | 0 | - | 2436 | = | * | (0 | / | 41) | = | ||||
4 | 65888 | 0 | - | 2485 | = | * | (0 | / | 41) | = | ||||
5 | 65891 | 0 | - | 2528 | = | * | (0 | / | 41) | = | ||||
6 | 65892 | 0 | - | 2552 | = | * | (0 | / | 41) | = | ||||
7 | 65895 | 0 | - | 2567 | = | * | (0 | / | 41) | = | ||||
8 | 65896 | 0 | - | 2586 | = | * | (0 | / | 41) | = | ||||
11 | 65899 | 2545 | - | 2628 | = | -83 | * | (18 | / | 41) | = | -36.43902437 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Snowline Academy | -36 |
2019
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 66273 | 0 | - | 2436 | = | * | (4 | / | 36) | = | ||||
4 | 66274 | 0 | - | 2485 | = | * | (0 | / | 36) | = | ||||
5 | 66275 | 0 | - | 2528 | = | * | (0 | / | 36) | = | ||||
6 | 66276 | 0 | - | 2552 | = | * | (4 | / | 36) | = | ||||
7 | 66277 | 0 | - | 2567 | = | * | (7 | / | 36) | = | ||||
8 | 66278 | 0 | - | 2586 | = | * | (10 | / | 36) | = | ||||
11 | 66279 | 0 | - | 2628 | = | * | (6 | / | 36) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Snowline Academy |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-25 | -8 | -36 | -69.0 | -13.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 19.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|
Percent | 35% | 43% | 48% | 53% | 45% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Snowline Joint Unified school district | County of San Bernardino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Snowline Academy math proficiency
Zero+ meets standard.

35% less $meal

38% less $meal

44% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Alternative Schools of Choice schools in Snowline Joint Unified (1)
Snowline Academy |