Centerville Elementary (Data source)
Source data for Centerville 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 | 362004 | 2415 | - | 2436 | = | -21 | * | (38 | / | 147) | = | -5.42857142 | ||
| 4 | 362005 | 2445 | - | 2485 | = | -40 | * | (46 | / | 147) | = | -12.5170068 | ||
| 5 | 362008 | 2442 | - | 2528 | = | -86 | * | (32 | / | 147) | = | -18.72108836 | ||
| 6 | 362009 | 2492 | - | 2552 | = | -60 | * | (31 | / | 147) | = | -12.65306118 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Centerville Elementary | -49 | ||||||||||||
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 | 10904 | 2408 | - | 2436 | = | -28 | * | (43 | / | 150) | = | -8.02666665 | ||
| 4 | 10905 | 2454 | - | 2485 | = | -31 | * | (33 | / | 150) | = | -6.82 | ||
| 5 | 10908 | 2463 | - | 2528 | = | -65 | * | (44 | / | 150) | = | -19.06666665 | ||
| 6 | 10910 | 2500 | - | 2552 | = | -52 | * | (30 | / | 150) | = | -10.4 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Centerville Elementary | -44 | ||||||||||||
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 | 11234 | 2404 | - | 2436 | = | -32 | * | (43 | / | 147) | = | -9.36054419 | ||
| 4 | 11236 | 2468 | - | 2485 | = | -17 | * | (35 | / | 147) | = | -4.04761905 | ||
| 5 | 11237 | 2464 | - | 2528 | = | -64 | * | (35 | / | 147) | = | -15.23809523 | ||
| 6 | 11240 | 2488 | - | 2552 | = | -64 | * | (34 | / | 147) | = | -14.80272109 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Centerville Elementary | -43 | ||||||||||||
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 | 11267 | 2434 | - | 2436 | = | -2 | * | (25 | / | 124) | = | -0.40322581 | ||
| 4 | 11270 | 2450 | - | 2485 | = | -35 | * | (38 | / | 124) | = | -10.72580642 | ||
| 5 | 11271 | 2485 | - | 2528 | = | -43 | * | (31 | / | 124) | = | -10.75 | ||
| 6 | 11274 | 2519 | - | 2552 | = | -33 | * | (30 | / | 124) | = | -7.98387094 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Centerville Elementary | -30 | ||||||||||||
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 | 11358 | 2421 | - | 2436 | = | -15 | * | (48 | / | 134) | = | -5.37313433 | ||
| 4 | 11359 | 2493 | - | 2485 | = | 8 | * | (28 | / | 134) | = | 1.67164178 | ||
| 5 | 11360 | 2470 | - | 2528 | = | -58 | * | (31 | / | 134) | = | -13.41791041 | ||
| 6 | 11361 | 2526 | - | 2552 | = | -26 | * | (27 | / | 134) | = | -5.23880596 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Centerville Elementary | -22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -49 | -44 | -43 | -30 | -22 | -188.0 | -37.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -4.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -70.6
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 | 90% | 78% | 73% | 78% | 70% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Sanger Unified school district | County of Fresno
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.
Centerville Elementary math proficiency
Zero+ meets standard.
90% less $meal
76% less $meal
69% less $meal
76% less $meal
64% 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.