Bemis Elementary (Data source)
Source data for Bemis 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 | 2030003 | 2390 | - | 2436 | = | -46 | * | (94 | / | 310) | = | -13.94838708 | ||
| 4 | 2030004 | 2409 | - | 2485 | = | -76 | * | (106 | / | 310) | = | -25.98709671 | ||
| 5 | 2030007 | 2436 | - | 2528 | = | -92 | * | (110 | / | 310) | = | -32.64516123 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Bemis Elementary | -73 | ||||||||||||
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 | 62382 | 2389 | - | 2436 | = | -47 | * | (121 | / | 336) | = | -16.92559521 | ||
| 4 | 62385 | 2421 | - | 2485 | = | -64 | * | (99 | / | 336) | = | -18.85714285 | ||
| 5 | 62387 | 2427 | - | 2528 | = | -101 | * | (116 | / | 336) | = | -34.8690476 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Bemis Elementary | -71 | ||||||||||||
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 | 64174 | 2394 | - | 2436 | = | -42 | * | (91 | / | 305) | = | -12.53114751 | ||
| 4 | 64177 | 2414 | - | 2485 | = | -71 | * | (118 | / | 305) | = | -27.4688524 | ||
| 5 | 64178 | 2418 | - | 2528 | = | -110 | * | (96 | / | 305) | = | -34.62295078 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Bemis Elementary | -75 | ||||||||||||
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 | 64282 | 2375 | - | 2436 | = | -61 | * | (104 | / | 310) | = | -20.46451607 | ||
| 4 | 64283 | 2429 | - | 2485 | = | -56 | * | (97 | / | 310) | = | -17.5225806 | ||
| 5 | 64285 | 2420 | - | 2528 | = | -108 | * | (109 | / | 310) | = | -37.97419352 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Bemis Elementary | -76 | ||||||||||||
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 | 64649 | 2392 | - | 2436 | = | -44 | * | (101 | / | 300) | = | -14.8133333 | ||
| 4 | 64650 | 2410 | - | 2485 | = | -75 | * | (106 | / | 300) | = | -26.49999998 | ||
| 5 | 64651 | 2426 | - | 2528 | = | -102 | * | (93 | / | 300) | = | -31.62 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Bemis Elementary | -73 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -73 | -71 | -75 | -76 | -73 | -368.0 | -73.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -70.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.6
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% | 90% | 89% | 89% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rialto 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.
Bemis Elementary math proficiency
Zero+ meets standard.
77% less $meal
80% less $meal
79% less $meal
79% less $meal
82% 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.