Standiford Elementary (Data source)
Source data for Standiford 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 | 2960449 | 2412 | - | 2436 | = | -24 | * | (87 | / | 292) | = | -7.15068492 | ||
| 4 | 2960452 | 2451 | - | 2485 | = | -34 | * | (116 | / | 292) | = | -13.50684928 | ||
| 5 | 2960453 | 2500 | - | 2528 | = | -28 | * | (89 | / | 292) | = | -8.53424656 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Standiford Elementary | -29 | ||||||||||||
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 | 90583 | 2423 | - | 2436 | = | -13 | * | (76 | / | 251) | = | -3.93625497 | ||
| 4 | 90585 | 2499 | - | 2485 | = | 14 | * | (72 | / | 251) | = | 4.01593625 | ||
| 5 | 90587 | 2520 | - | 2528 | = | -8 | * | (103 | / | 251) | = | -3.28286852 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Standiford Elementary | -3 | ||||||||||||
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 | 93296 | 2440 | - | 2436 | = | 4 | * | (75 | / | 219) | = | 1.36986301 | ||
| 4 | 93298 | 2489 | - | 2485 | = | 4 | * | (74 | / | 219) | = | 1.35159817 | ||
| 5 | 93300 | 2539 | - | 2528 | = | 11 | * | (70 | / | 219) | = | 3.51598173 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Standiford Elementary | 6 | ||||||||||||
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 | 93496 | 2422 | - | 2436 | = | -14 | * | (93 | / | 252) | = | -5.16666667 | ||
| 4 | 93499 | 2485 | - | 2485 | = | 0 | * | (78 | / | 252) | = | 0.0 | ||
| 5 | 93500 | 2513 | - | 2528 | = | -15 | * | (81 | / | 252) | = | -4.82142857 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Standiford Elementary | -10 | ||||||||||||
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 | 94135 | 2425 | - | 2436 | = | -11 | * | (73 | / | 234) | = | -3.43162392 | ||
| 4 | 94136 | 2469 | - | 2485 | = | -16 | * | (86 | / | 234) | = | -5.88034187 | ||
| 5 | 94137 | 2524 | - | 2528 | = | -4 | * | (75 | / | 234) | = | -1.28205128 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Standiford Elementary | -11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -29 | -3 | 6 | -10 | -11 | -47.0 | -9.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 26.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -45.4
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 | 63% | 62% | 60% | 63% | 56% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Sylvan Union Elementary 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.
Standiford Elementary math proficiency
Zero+ meets standard.
55% less $meal
53% less $meal
51% less $meal
57% less $meal
51% 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.