La Rosa Elementary (Data source)
Source data for La Rosa 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 | 2920254 | 2429 | - | 2436 | = | -7 | * | (92 | / | 333) | = | -1.93393393 | ||
| 4 | 2920257 | 2446 | - | 2485 | = | -39 | * | (63 | / | 333) | = | -7.37837837 | ||
| 5 | 2920258 | 2467 | - | 2528 | = | -61 | * | (90 | / | 333) | = | -16.48648647 | ||
| 6 | 2920261 | 2510 | - | 2552 | = | -42 | * | (88 | / | 333) | = | -11.09909909 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for La Rosa Elementary | -37 | ||||||||||||
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 | 89387 | 2459 | - | 2436 | = | 23 | * | (95 | / | 356) | = | 6.13764044 | ||
| 4 | 89390 | 2435 | - | 2485 | = | -50 | * | (92 | / | 356) | = | -12.9213483 | ||
| 5 | 89392 | 2476 | - | 2528 | = | -52 | * | (74 | / | 356) | = | -10.80898874 | ||
| 6 | 89394 | 2500 | - | 2552 | = | -52 | * | (95 | / | 356) | = | -13.87640446 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for La Rosa Elementary | -31 | ||||||||||||
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 | 91978 | 2452 | - | 2436 | = | 16 | * | (71 | / | 349) | = | 3.25501432 | ||
| 4 | 91980 | 2459 | - | 2485 | = | -26 | * | (95 | / | 349) | = | -7.07736388 | ||
| 5 | 91981 | 2479 | - | 2528 | = | -49 | * | (96 | / | 349) | = | -13.47851002 | ||
| 6 | 91983 | 2500 | - | 2552 | = | -52 | * | (87 | / | 349) | = | -12.96275068 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for La Rosa Elementary | -30 | ||||||||||||
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 | 92174 | 2462 | - | 2436 | = | 26 | * | (94 | / | 341) | = | 7.16715542 | ||
| 4 | 92177 | 2467 | - | 2485 | = | -18 | * | (63 | / | 341) | = | -3.32551319 | ||
| 5 | 92178 | 2488 | - | 2528 | = | -40 | * | (91 | / | 341) | = | -10.6744868 | ||
| 6 | 92181 | 2559 | - | 2552 | = | 7 | * | (93 | / | 341) | = | 1.9090909 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for La Rosa Elementary | -5 | ||||||||||||
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 | 92812 | 2427 | - | 2436 | = | -9 | * | (85 | / | 336) | = | -2.27678571 | ||
| 4 | 92813 | 2466 | - | 2485 | = | -19 | * | (93 | / | 336) | = | -5.25892857 | ||
| 5 | 92814 | 2499 | - | 2528 | = | -29 | * | (64 | / | 336) | = | -5.52380951 | ||
| 6 | 92815 | 2567 | - | 2552 | = | 15 | * | (94 | / | 336) | = | 4.19642856 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for La Rosa Elementary | -9 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -37 | -31 | -30 | -5 | -9 | -112.0 | -22.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 19.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -64.4
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 | 74% | 76% | 76% | 79% | 76% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ceres 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.
La Rosa Elementary math proficiency
Zero+ meets standard.
65% less $meal
63% less $meal
62% less $meal
70% less $meal
71% 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.