Oak Grove Elementary (Data source)
Source data for Oak Grove 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 | 3061300 | 2451 | - | 2436 | = | 15 | * | (91 | / | 522) | = | 2.61494252 | ||
| 4 | 3061303 | 2520 | - | 2485 | = | 35 | * | (106 | / | 522) | = | 7.10727969 | ||
| 5 | 3061304 | 2533 | - | 2528 | = | 5 | * | (117 | / | 522) | = | 1.12068966 | ||
| 6 | 3061307 | 2554 | - | 2552 | = | 2 | * | (97 | / | 522) | = | 0.37164751 | ||
| 7 | 3061308 | 2590 | - | 2567 | = | 23 | * | (58 | / | 522) | = | 2.55555555 | ||
| 8 | 3061311 | 2577 | - | 2586 | = | -9 | * | (53 | / | 522) | = | -0.9137931 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Oak Grove Elementary | 13 | ||||||||||||
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 | 94244 | 2443 | - | 2436 | = | 7 | * | (92 | / | 547) | = | 1.17733089 | ||
| 4 | 94245 | 2519 | - | 2485 | = | 34 | * | (97 | / | 547) | = | 6.02925043 | ||
| 5 | 94248 | 2563 | - | 2528 | = | 35 | * | (114 | / | 547) | = | 7.29433271 | ||
| 6 | 94249 | 2570 | - | 2552 | = | 18 | * | (119 | / | 547) | = | 3.91590493 | ||
| 7 | 94252 | 2577 | - | 2567 | = | 10 | * | (64 | / | 547) | = | 1.17001828 | ||
| 8 | 94254 | 2640 | - | 2586 | = | 54 | * | (61 | / | 547) | = | 6.02193782 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Oak Grove Elementary | 26 | ||||||||||||
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 | 97017 | 2462 | - | 2436 | = | 26 | * | (101 | / | 537) | = | 4.89013034 | ||
| 4 | 97019 | 2520 | - | 2485 | = | 35 | * | (90 | / | 537) | = | 5.86592178 | ||
| 5 | 97022 | 2549 | - | 2528 | = | 21 | * | (108 | / | 537) | = | 4.22346368 | ||
| 6 | 97023 | 2581 | - | 2552 | = | 29 | * | (122 | / | 537) | = | 6.58845435 | ||
| 7 | 97026 | 2583 | - | 2567 | = | 16 | * | (56 | / | 537) | = | 1.66852886 | ||
| 8 | 97027 | 2618 | - | 2586 | = | 32 | * | (60 | / | 537) | = | 3.57541898 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Oak Grove Elementary | 27 | ||||||||||||
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 | 97196 | 2476 | - | 2436 | = | 40 | * | (110 | / | 534) | = | 8.23970036 | ||
| 4 | 97199 | 2511 | - | 2485 | = | 26 | * | (99 | / | 534) | = | 4.82022471 | ||
| 5 | 97200 | 2538 | - | 2528 | = | 10 | * | (93 | / | 534) | = | 1.74157303 | ||
| 6 | 97203 | 2599 | - | 2552 | = | 47 | * | (112 | / | 534) | = | 9.85767787 | ||
| 7 | 97205 | 2633 | - | 2567 | = | 66 | * | (65 | / | 534) | = | 8.03370784 | ||
| 8 | 97206 | 2625 | - | 2586 | = | 39 | * | (55 | / | 534) | = | 4.01685391 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Oak Grove Elementary | 37 | ||||||||||||
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 | 97865 | 2488 | - | 2436 | = | 52 | * | (87 | / | 558) | = | 8.10752686 | ||
| 4 | 97866 | 2532 | - | 2485 | = | 47 | * | (117 | / | 558) | = | 9.85483869 | ||
| 5 | 97867 | 2574 | - | 2528 | = | 46 | * | (115 | / | 558) | = | 9.48028669 | ||
| 6 | 97868 | 2591 | - | 2552 | = | 39 | * | (94 | / | 558) | = | 6.56989246 | ||
| 7 | 97869 | 2585 | - | 2567 | = | 18 | * | (79 | / | 558) | = | 2.54838708 | ||
| 8 | 97870 | 2657 | - | 2586 | = | 71 | * | (66 | / | 558) | = | 8.3978494 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Oak Grove Elementary | 45 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 13 | 26 | 27 | 37 | 45 | 148.0 | 29.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 65.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -6.4
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 | 29% | 28% | 27% | 30% | 28% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Visalia Unified school district | County of Tulare
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.
Oak Grove Elementary math proficiency
Zero+ meets standard.
23% less $meal
23% less $meal
23% less $meal
25% less $meal
23% 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.