Lone Tree Elementary (Data source)
Source data for Lone Tree 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 | 3201827 | 2417 | - | 2436 | = | -19 | * | (54 | / | 134) | = | -7.65671641 | ||
| 4 | 3201828 | 2473 | - | 2485 | = | -12 | * | (43 | / | 134) | = | -3.85074626 | ||
| 5 | 3201831 | 2523 | - | 2528 | = | -5 | * | (37 | / | 134) | = | -1.38059701 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lone Tree 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 | 98682 | 2424 | - | 2436 | = | -12 | * | (62 | / | 153) | = | -4.8627451 | ||
| 4 | 98684 | 2478 | - | 2485 | = | -7 | * | (44 | / | 153) | = | -2.01307189 | ||
| 5 | 98687 | 2518 | - | 2528 | = | -10 | * | (47 | / | 153) | = | -3.07189542 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lone Tree Elementary | -10 | ||||||||||||
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 | 101552 | 2426 | - | 2436 | = | -10 | * | (57 | / | 153) | = | -3.72549019 | ||
| 4 | 101553 | 2472 | - | 2485 | = | -13 | * | (49 | / | 153) | = | -4.16339868 | ||
| 5 | 101556 | 2490 | - | 2528 | = | -38 | * | (47 | / | 153) | = | -11.6732026 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lone Tree Elementary | -20 | ||||||||||||
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 | 101700 | 2423 | - | 2436 | = | -13 | * | (46 | / | 163) | = | -3.66871164 | ||
| 4 | 101703 | 2464 | - | 2485 | = | -21 | * | (62 | / | 163) | = | -7.98773006 | ||
| 5 | 101704 | 2495 | - | 2528 | = | -33 | * | (55 | / | 163) | = | -11.1349693 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lone Tree Elementary | -23 | ||||||||||||
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 | 102351 | 2417 | - | 2436 | = | -19 | * | (43 | / | 132) | = | -6.18939393 | ||
| 4 | 102352 | 2473 | - | 2485 | = | -12 | * | (40 | / | 132) | = | -3.63636364 | ||
| 5 | 102353 | 2478 | - | 2528 | = | -50 | * | (49 | / | 132) | = | -18.56060605 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lone Tree Elementary | -28 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -13 | -10 | -20 | -23 | -28 | -94.0 | -18.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 2.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -39.8
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 | 40% | 48% | 41% | 40% | 39% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Wheatland school district | County of Yuba
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.
Lone Tree Elementary math proficiency
Zero+ meets standard.
13% less $meal
24% less $meal
18% less $meal
18% less $meal
21% 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.
Elementary School (Public) schools in Wheatland (2)
| Lone Tree Elementary | Wheatland Elementary |