Valley Springs Elementary (Data source)
Source data for Valley Springs Elementary
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 | 163730 | 2425 | - | 2436 | = | -11 | * | (69 | / | 282) | = | -2.69148936 | ||
| 4 | 163733 | 2456 | - | 2485 | = | -29 | * | (58 | / | 282) | = | -5.96453898 | ||
| 5 | 163734 | 2472 | - | 2528 | = | -56 | * | (76 | / | 282) | = | -15.09219858 | ||
| 6 | 163737 | 2488 | - | 2552 | = | -64 | * | (79 | / | 282) | = | -17.92907795 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Valley Springs Elementary | -42 | ||||||||||||
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 | 4888 | 2404 | - | 2436 | = | -32 | * | (62 | / | 275) | = | -7.21454544 | ||
| 4 | 4890 | 2446 | - | 2485 | = | -39 | * | (72 | / | 275) | = | -10.21090906 | ||
| 5 | 4891 | 2472 | - | 2528 | = | -56 | * | (64 | / | 275) | = | -13.03272723 | ||
| 6 | 4893 | 2489 | - | 2552 | = | -63 | * | (77 | / | 275) | = | -17.64 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Valley Springs Elementary | -48 | ||||||||||||
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 | 4982 | 2413 | - | 2436 | = | -23 | * | (70 | / | 272) | = | -5.91911764 | ||
| 4 | 4983 | 2428 | - | 2485 | = | -57 | * | (65 | / | 272) | = | -13.62132352 | ||
| 5 | 4986 | 2456 | - | 2528 | = | -72 | * | (72 | / | 272) | = | -19.0588235 | ||
| 6 | 4987 | 2488 | - | 2552 | = | -64 | * | (65 | / | 272) | = | -15.29411763 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Valley Springs Elementary | -54 | ||||||||||||
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 | 4969 | 2407 | - | 2436 | = | -29 | * | (70 | / | 268) | = | -7.57462684 | ||
| 4 | 4972 | 2447 | - | 2485 | = | -38 | * | (68 | / | 268) | = | -9.64179103 | ||
| 5 | 4973 | 2436 | - | 2528 | = | -92 | * | (56 | / | 268) | = | -19.22388052 | ||
| 6 | 4976 | 2488 | - | 2552 | = | -64 | * | (74 | / | 268) | = | -17.67164173 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Valley Springs Elementary | -54 | ||||||||||||
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 | 5000 | 2418 | - | 2436 | = | -18 | * | (41 | / | 237) | = | -3.11392404 | ||
| 4 | 5001 | 2455 | - | 2485 | = | -30 | * | (76 | / | 237) | = | -9.62025315 | ||
| 5 | 5002 | 2464 | - | 2528 | = | -64 | * | (60 | / | 237) | = | -16.20253158 | ||
| 6 | 5003 | 2483 | - | 2552 | = | -69 | * | (60 | / | 237) | = | -17.46835436 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Valley Springs Elementary | -46 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -42 | -48 | -54 | -54 | -46 | -244.0 | -48.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -33.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -63.8
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 | 56% | 56% | 50% | 58% | 60% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Calaveras Unified school district | County of Calaveras
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.
Valley Springs Elementary math proficiency
Zero+ meets standard.
48% less $meal
49% less $meal
42% less $meal
52% less $meal
55% 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.
Elementary School (Public) schools in Calaveras Unified (6)
| Jenny Lind Elementary | Mokelumne Hill Elementary | Rail Road Flat Elementary |
| San Andreas Elementary | Valley Springs Elementary | West Point Elementary |