Grover Heights Elementary (Data source)
Source data for Grover Heights 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 | 2486515 | 2434 | - | 2436 | = | -2 | * | (56 | / | 241) | = | -0.46473029 | ||
| 4 | 2486518 | 2450 | - | 2485 | = | -35 | * | (66 | / | 241) | = | -9.58506224 | ||
| 5 | 2486519 | 2471 | - | 2528 | = | -57 | * | (65 | / | 241) | = | -15.37344395 | ||
| 6 | 2486522 | 2526 | - | 2552 | = | -26 | * | (54 | / | 241) | = | -5.82572614 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grover Heights Elementary | -31 | ||||||||||||
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 | 75808 | 2430 | - | 2436 | = | -6 | * | (61 | / | 229) | = | -1.59825327 | ||
| 4 | 75810 | 2477 | - | 2485 | = | -8 | * | (57 | / | 229) | = | -1.99126637 | ||
| 5 | 75811 | 2481 | - | 2528 | = | -47 | * | (59 | / | 229) | = | -12.10917029 | ||
| 6 | 75814 | 2535 | - | 2552 | = | -17 | * | (52 | / | 229) | = | -3.860262 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grover Heights Elementary | -20 | ||||||||||||
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 | 77841 | 2427 | - | 2436 | = | -9 | * | (54 | / | 221) | = | -2.19909502 | ||
| 4 | 77842 | 2461 | - | 2485 | = | -24 | * | (52 | / | 221) | = | -5.64705881 | ||
| 5 | 77845 | 2487 | - | 2528 | = | -41 | * | (56 | / | 221) | = | -10.38914027 | ||
| 6 | 77846 | 2555 | - | 2552 | = | 3 | * | (59 | / | 221) | = | 0.80090498 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grover Heights Elementary | -17 | ||||||||||||
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 | 78001 | 2437 | - | 2436 | = | 1 | * | (60 | / | 217) | = | 0.2764977 | ||
| 4 | 78004 | 2476 | - | 2485 | = | -9 | * | (52 | / | 217) | = | -2.15668202 | ||
| 5 | 78005 | 2469 | - | 2528 | = | -59 | * | (53 | / | 217) | = | -14.41013823 | ||
| 6 | 78008 | 2541 | - | 2552 | = | -11 | * | (52 | / | 217) | = | -2.6359447 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grover Heights Elementary | -19 | ||||||||||||
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 | 78534 | 2439 | - | 2436 | = | 3 | * | (53 | / | 212) | = | 0.75 | ||
| 4 | 78535 | 2476 | - | 2485 | = | -9 | * | (61 | / | 212) | = | -2.58962264 | ||
| 5 | 78536 | 2496 | - | 2528 | = | -32 | * | (49 | / | 212) | = | -7.3962264 | ||
| 6 | 78537 | 2534 | - | 2552 | = | -18 | * | (49 | / | 212) | = | -4.16037735 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grover Heights Elementary | -13 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -31 | -20 | -17 | -19 | -13 | -100.0 | -20.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -2.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -38.0
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% | 53% | 49% | 47% | 47% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lucia Mar Unified school district | County of San Luis Obispo
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.
Grover Heights Elementary math proficiency
Zero+ meets standard.
45% less $meal
44% less $meal
41% less $meal
42% less $meal
42% 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.