Waterford Junior (Data source)
Source data for Waterford Junior
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 |
||
| 7 | 2974327 | 2478 | - | 2567 | = | -89 | * | (113 | / | 232) | = | -43.34913789 | ||
| 8 | 2974328 | 2497 | - | 2586 | = | -89 | * | (119 | / | 232) | = | -45.65086203 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Waterford Junior | -89 | ||||||||||||
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 |
||
| 7 | 90998 | 2498 | - | 2567 | = | -69 | * | (106 | / | 206) | = | -35.50485431 | ||
| 8 | 91000 | 2523 | - | 2586 | = | -63 | * | (100 | / | 206) | = | -30.58252426 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Waterford Junior | -66 | ||||||||||||
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 | 93745 | 2490 | - | 2567 | = | -77 | * | (118 | / | 224) | = | -40.56249998 | ||
| 8 | 93748 | 2503 | - | 2586 | = | -83 | * | (106 | / | 224) | = | -39.27678566 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Waterford Junior | -80 | ||||||||||||
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 |
||
| 7 | 93956 | 2491 | - | 2567 | = | -76 | * | (124 | / | 237) | = | -39.76371308 | ||
| 8 | 93958 | 2508 | - | 2586 | = | -78 | * | (113 | / | 237) | = | -37.18987334 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Waterford Junior | -77 | ||||||||||||
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 | 94583 | 2502 | - | 2567 | = | -65 | * | (108 | / | 226) | = | -31.06194689 | ||
| 8 | 94584 | 2522 | - | 2586 | = | -64 | * | (118 | / | 226) | = | -33.41592915 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Waterford Junior | -64 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -89 | -66 | -80 | -77 | -64 | -376.0 | -75.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -45.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -105.2
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 | 86% | 77% | 77% | 87% | 85% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Waterford Unified school district | County of Stanislaus
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.
Waterford Junior math proficiency
Zero+ meets standard.
71% less $meal
66% less $meal
69% less $meal
77% less $meal
75% 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.
Junior High Schools (Public) schools in Waterford Unified (1)
| Waterford Junior |