Valley Academy (Data source)
Source data for Valley 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 |
||
| 5 | 433489 | 0 | - | 2528 | = | * | (1 | / | 53) | = | ||||
| 7 | 433490 | 0 | - | 2567 | = | * | (3 | / | 53) | = | ||||
| 8 | 433493 | 2387 | - | 2586 | = | -199 | * | (19 | / | 53) | = | -71.33962263 | ||
| 11 | 433494 | 2408 | - | 2628 | = | -220 | * | (30 | / | 53) | = | -124.5283017 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Valley Academy | -196 | ||||||||||||
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 |
||
| 5 | 13611 | 0 | - | 2528 | = | * | (0 | / | 76) | = | ||||
| 7 | 13613 | 0 | - | 2567 | = | * | (8 | / | 76) | = | ||||
| 8 | 13616 | 2364 | - | 2586 | = | -222 | * | (30 | / | 76) | = | -87.63157892 | ||
| 11 | 13618 | 2432 | - | 2628 | = | -196 | * | (38 | / | 76) | = | -98.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Valley Academy | -186 | ||||||||||||
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 |
||
| 7 | 13945 | 0 | - | 2567 | = | * | (0 | / | 48) | = | ||||
| 8 | 13946 | 2395 | - | 2586 | = | -191 | * | (11 | / | 48) | = | -43.77083321 | ||
| 11 | 13948 | 2422 | - | 2628 | = | -206 | * | (36 | / | 48) | = | -154.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Valley Academy | -198 | ||||||||||||
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 |
||
| 5 | 13947 | 0 | - | 2528 | = | * | (0 | / | 73) | = | ||||
| 6 | 13948 | 0 | - | 2552 | = | * | (0 | / | 73) | = | ||||
| 7 | 13951 | 0 | - | 2567 | = | * | (0 | / | 73) | = | ||||
| 8 | 13952 | 2421 | - | 2586 | = | -165 | * | (18 | / | 73) | = | -40.68493143 | ||
| 11 | 13955 | 2418 | - | 2628 | = | -210 | * | (47 | / | 73) | = | -135.20547936 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Valley Academy | -176 | ||||||||||||
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 |
||
| 7 | 14067 | 2326 | - | 2567 | = | -241 | * | (11 | / | 73) | = | -36.31506837 | ||
| 8 | 14068 | 2414 | - | 2586 | = | -172 | * | (23 | / | 73) | = | -54.1917808 | ||
| 11 | 14069 | 2421 | - | 2628 | = | -207 | * | (39 | / | 73) | = | -110.58904103 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Valley Academy | -201 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -196 | -186 | -198 | -176 | -201 | -957.0 | -191.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -161.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -221.4
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 | 97% | 98% | 94% | 95% | 95% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Imperial County Office of Education school district County of Imperial
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Valley Academy math proficiency
Zero+ meets standard.
97% less $meal
92% less $meal
90% less $meal
93% less $meal
94% 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.
County Community schools in Imperial County Office of Education (1)
| Valley Academy |